{"id":7193,"date":"2026-09-19T05:32:29","date_gmt":"2026-09-19T05:32:29","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=7193"},"modified":"2026-09-25T15:44:02","modified_gmt":"2026-09-25T15:44:02","slug":"udalenie-dannyh-v-sql","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/","title":{"rendered":"DELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL"},"content":{"rendered":"<p><strong>\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 SQL<\/strong> &#8212; \u044d\u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u0442\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043b\u0438 \u0441\u0430\u043c\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0446\u0435\u043b\u0438\u043a\u043e\u043c, \u0438 \u0432\u0435\u0434\u0435\u0442 \u0441\u0435\u0431\u044f \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430. DELETE \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e \u0438 \u043f\u0438\u0448\u0435\u0442 \u043a\u0430\u0436\u0434\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 \u0432 \u0436\u0443\u0440\u043d\u0430\u043b \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439, TRUNCATE \u0440\u0430\u0437\u043e\u043c \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0432\u0441\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443, \u0430 DROP \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u0438 \u0434\u0430\u043d\u043d\u044b\u0435, \u0438 \u0441\u0430\u043c\u0443 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u044b. \u0414\u0430\u043b\u044c\u0448\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430, \u043e\u0442\u043a\u0430\u0442 \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e \u0438 \u043e\u0442\u043b\u0438\u0447\u0438\u044f MySQL, PostgreSQL \u0438 SQL Server.<\/p>\n<div class=\"oj-toc\" style=\"background:#f6f6f6;border-radius:8px;padding:14px 20px;margin:20px 0\">\n<p><strong>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n<ol>\n<li><a href=\"#s1\">\u0422\u0440\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f: \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0439 \u0441\u043b\u043e\u0432\u0430\u0440\u044c<\/a><\/li>\n<li><a href=\"#s2\">DELETE: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441\u0442\u0440\u043e\u043a \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e<\/a><\/li>\n<li><a href=\"#s3\">TRUNCATE: \u0431\u044b\u0441\u0442\u0440\u0430\u044f \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u0432\u0441\u0435\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u044b<\/a><\/li>\n<li><a href=\"#s4\">DROP: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0446\u0435\u043b\u0438\u043a\u043e\u043c<\/a><\/li>\n<li><a href=\"#s5\">DELETE vs TRUNCATE vs DROP: \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435<\/a><\/li>\n<li><a href=\"#s6\">\u0414\u0438\u0430\u043b\u0435\u043a\u0442\u043d\u044b\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u044f: MySQL, PostgreSQL, MS SQL<\/a><\/li>\n<li><a href=\"#s7\">\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435: WHERE, \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044f, \u0431\u044d\u043a\u0430\u043f<\/a><\/li>\n<li><a href=\"#s8\">\u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n<li><a href=\"#s9\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/a><\/li>\n<li><a href=\"#s10\">FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"s1\">\u0422\u0440\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f: \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0439 \u0441\u043b\u043e\u0432\u0430\u0440\u044c<\/h2>\n<p>\u041f\u0440\u0435\u0436\u0434\u0435 \u0447\u0435\u043c \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0442\u044c \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u0440\u0430\u0437\u0432\u0435\u0434\u0435\u043c \u0442\u0435\u0440\u043c\u0438\u043d\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0447\u0430\u0441\u0442\u043e \u043f\u0443\u0442\u0430\u044e\u0442:<\/p>\n<ul>\n<li><strong>DELETE<\/strong> &#8212; DML-\u043a\u043e\u043c\u0430\u043d\u0434\u0430, \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e WHERE, \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f.<\/li>\n<li><strong>TRUNCATE<\/strong> &#8212; \u0431\u044b\u0441\u0442\u0440\u043e \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0432\u0441\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0446\u0435\u043b\u0438\u043a\u043e\u043c, WHERE \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442, \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f.<\/li>\n<li><strong>DROP<\/strong> &#8212; \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u0441\u0430\u043c\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0443: \u0438 \u0434\u0430\u043d\u043d\u044b\u0435, \u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0438\u043d\u0434\u0435\u043a\u0441\u044b.<\/li>\n<\/ul>\n<p>\u0414\u0430\u043b\u044c\u0448\u0435 \u043f\u043e \u043a\u0430\u0436\u0434\u043e\u043c\u0443 &#8212; \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0438 \u043f\u0440\u0438\u043c\u0435\u0440.<\/p>\n<h2 id=\"s2\">DELETE: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441\u0442\u0440\u043e\u043a \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e<\/h2>\n<p>DELETE \u0441\u0442\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0442 \u043f\u043e\u0434 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 WHERE. \u0411\u0435\u0437 WHERE \u0443\u0434\u0430\u043b\u044f\u0442\u0441\u044f \u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b &#8212; \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430, \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0435\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u043d\u0438\u0436\u0435.<\/p>\n<p>\u041f\u043e\u043b\u043d\u044b\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">DELETE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> \u0442\u0430\u0431\u043b\u0438\u0446\u0430<\/span>\n<span style=\"color: #C678DD\">WHERE<\/span><span style=\"color: #ABB2BF\"> \u0443\u0441\u043b\u043e\u0432\u0438\u0435;<\/span><\/code><\/pre>\n<p>\u0420\u0430\u0431\u043e\u0447\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u043d\u0430 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">CREATE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">TABLE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> (<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">INT<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">PRIMARY<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">KEY<\/span><span style=\"color: #ABB2BF\">,<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">VARCHAR<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #D19A66\">100<\/span><span style=\"color: #ABB2BF\">),<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">course<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">VARCHAR<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #D19A66\">50<\/span><span style=\"color: #ABB2BF\">),<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">VARCHAR<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #D19A66\">20<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">);<\/span>\n\n<span style=\"color: #C678DD\">INSERT<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">INTO<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">course<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\">) <\/span><span style=\"color: #C678DD\">VALUES<\/span>\n<span style=\"color: #ABB2BF\">    (<\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'\u0418\u0432\u0430\u043d\u043e\u0432'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'SQL'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'active'<\/span><span style=\"color: #ABB2BF\">),<\/span>\n<span style=\"color: #ABB2BF\">    (<\/span><span style=\"color: #D19A66\">2<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'\u041f\u0435\u0442\u0440\u043e\u0432'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'SQL'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'dropped'<\/span><span style=\"color: #ABB2BF\">),<\/span>\n<span style=\"color: #ABB2BF\">    (<\/span><span style=\"color: #D19A66\">3<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'\u0421\u0438\u0434\u043e\u0440\u043e\u0432\u0430'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'Python'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #98C379\">'active'<\/span><span style=\"color: #ABB2BF\">);<\/span>\n\n<span style=\"color: #C678DD\">DELETE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">WHERE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'dropped'<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442: \u0443\u0434\u0430\u043b\u0438\u0442\u0441\u044f \u043e\u0434\u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0430 (\u041f\u0435\u0442\u0440\u043e\u0432, id 2), \u043e\u0441\u0442\u0430\u043d\u0443\u0442\u0441\u044f \u0418\u0432\u0430\u043d\u043e\u0432 \u0438 \u0421\u0438\u0434\u043e\u0440\u043e\u0432\u0430. \u0415\u0441\u043b\u0438 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">SELECT * FROM students;<\/code> \u043f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0433\u043e, \u0443\u0432\u0438\u0434\u0438\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u0432\u0435 \u0441\u0442\u0440\u043e\u043a\u0438, \u0430 id 2 \u043d\u0435 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u0441\u043d\u043e\u0432\u0430 &#8212; DELETE \u043d\u0435 \u043f\u0435\u0440\u0435\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0438 \u043d\u0435 \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 \u0441\u0447\u0435\u0442\u0447\u0438\u043a\u0438 id.<\/p>\n<p>WHERE \u0432 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043e\u0442\u0431\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e \u0441\u0442\u043e\u043b\u0431\u0446\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">status<\/code>. \u0423\u0441\u043b\u043e\u0432\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u044e\u0431\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, IN, \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u044b &#8212; \u043b\u043e\u0433\u0438\u043a\u0430 \u0442\u0430 \u0436\u0435, \u0447\u0442\u043e \u0438 \u0432 SELECT. DELETE \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0443\u0435\u0442 \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b \u0443\u0440\u043e\u0432\u043d\u044f \u0441\u0442\u0440\u043e\u043a\u0438, \u0435\u0441\u043b\u0438 \u043e\u043d\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u044b \u043d\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043b\u043e\u0433 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0439 \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443).<\/p>\n<h2 id=\"s3\">TRUNCATE: \u0431\u044b\u0441\u0442\u0440\u0430\u044f \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u0432\u0441\u0435\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u044b<\/h2>\n<p>TRUNCATE \u043d\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u043e\u0442\u0431\u043e\u0440\u0430 &#8212; \u043e\u043d \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u0442\u0438\u0440\u0430\u0435\u0442 \u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0441\u0440\u0430\u0437\u0443. \u0417\u0430 \u0441\u0447\u0435\u0442 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043b\u043e\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f (\u0431\u0435\u0437 \u043f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u0436\u0443\u0440\u043d\u0430\u043b \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439) TRUNCATE \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435 DELETE \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u0445.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">TRUNCATE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">TABLE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u041f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0442\u0430\u0431\u043b\u0438\u0446\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">students<\/code> \u043f\u0443\u0441\u0442\u0430\u044f, \u043d\u043e \u0441\u0430\u043c\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0430, \u0435\u0435 \u0441\u0442\u043e\u043b\u0431\u0446\u044b \u0438 \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f &#8212; \u043c\u043e\u0436\u043d\u043e \u0441\u0440\u0430\u0437\u0443 \u0432\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438. TRUNCATE, \u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e, \u043d\u0435 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0443\u0435\u0442 \u043f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 DELETE-\u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b (\u044d\u0442\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442 \u0435\u0433\u043e \u043e\u0442 DELETE \u0431\u0435\u0437 \u0443\u0441\u043b\u043e\u0432\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0430\u043a\u0438\u0435 \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442).<\/p>\n<h2 id=\"s4\">DROP: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0446\u0435\u043b\u0438\u043a\u043e\u043c<\/h2>\n<p>DROP \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u043a\u0438, \u043d\u043e \u0438 \u0441\u0430\u043c\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 &#8212; \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0438\u043d\u0434\u0435\u043a\u0441\u044b, \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0438 \u043f\u0440\u0430\u0432\u0430 \u043d\u0430 \u043e\u0431\u044a\u0435\u043a\u0442.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">DROP<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">TABLE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u041f\u043e\u0441\u043b\u0435 DROP \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">SELECT * FROM students;<\/code> \u0432\u0435\u0440\u043d\u0435\u0442 \u043e\u0448\u0438\u0431\u043a\u0443 &#8212; \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442. \u0427\u0442\u043e\u0431\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0441\u043d\u043e\u0432\u0430, \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u043d\u0443\u0436\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0437\u0430\u043d\u043e\u0432\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 CREATE TABLE \u0438 \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0438\u0437 \u0431\u044d\u043a\u0430\u043f\u0430.<\/p>\n<h2 id=\"s5\">DELETE vs TRUNCATE vs DROP: \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u041a\u0440\u0438\u0442\u0435\u0440\u0438\u0439<\/th>\n<th>DELETE<\/th>\n<th>TRUNCATE<\/th>\n<th>DROP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0427\u0442\u043e \u0443\u0434\u0430\u043b\u044f\u0435\u0442<\/td>\n<td>\u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e<\/td>\n<td>\u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0441\u0440\u0430\u0437\u0443<\/td>\n<td>\u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0446\u0435\u043b\u0438\u043a\u043e\u043c: \u0441\u0442\u0440\u043e\u043a\u0438 + \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430<\/td>\n<\/tr>\n<tr>\n<td>\u0423\u0441\u043b\u043e\u0432\u0438\u0435 WHERE<\/td>\n<td>\u0434\u0430<\/td>\n<td>\u043d\u0435\u0442<\/td>\n<td>\u043d\u0435\u0442<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b<\/td>\n<td>\u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442<\/td>\n<td>\u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e \u043d\u0435\u0442<\/td>\n<td>\u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c\u043e (\u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043d\u0435\u0442)<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0447\u0435\u0442\u0447\u0438\u043a id \/ identity<\/td>\n<td>\u043d\u0435 \u0442\u0440\u043e\u0433\u0430\u0435\u0442<\/td>\n<td>\u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 (\u0434\u0435\u0442\u0430\u043b\u0438 \u043f\u043e \u0421\u0423\u0411\u0414 \u043d\u0438\u0436\u0435)<\/td>\n<td>\u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043d\u0435\u0442, \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u0438\u0441\u0447\u0435\u0437\u0430\u0435\u0442 \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u043d\u0435\u0439<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0438\u043f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438<\/td>\n<td>DML<\/td>\n<td>DDL (\u0432 \u0447\u0430\u0441\u0442\u0438 \u0421\u0423\u0411\u0414)<\/td>\n<td>DDL<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u0445<\/td>\n<td>\u043c\u0435\u0434\u043b\u0435\u043d\u043d\u0435\u0435<\/td>\n<td>\u0431\u044b\u0441\u0442\u0440\u0435\u0435 DELETE<\/td>\n<td>\u0431\u044b\u0441\u0442\u0440\u0430\u044f, \u043d\u043e \u043d\u0435\u043e\u0431\u0440\u0430\u0442\u0438\u043c\u0430\u044f \u043f\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"s6\">\u0414\u0438\u0430\u043b\u0435\u043a\u0442\u043d\u044b\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u044f: MySQL, PostgreSQL, MS SQL<\/h2>\n<p>\u041f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 TRUNCATE \u0438 DROP \u0432\u043d\u0443\u0442\u0440\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 &#8212; \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u0430\u044f \u043f\u0440\u0438\u0447\u0438\u043d\u0430 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0441\u0442\u0435\u0439.<\/p>\n<p>\u0412 MySQL (InnoDB) TRUNCATE TABLE \u0438 DROP TABLE \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442 \u043d\u0435\u044f\u0432\u043d\u044b\u0439 commit: \u0435\u0441\u043b\u0438 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u0438\u0445 \u0432\u043d\u0443\u0442\u0440\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438 \u043f\u043e\u0442\u043e\u043c \u0434\u0430\u0442\u044c ROLLBACK, \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u0438\u0445 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0441\u044f, \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u043e, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0434\u043e \u043d\u0438\u0445.<\/p>\n<p>\u0412 PostgreSQL DDL \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u043e\u043d\u0435\u043d: TRUNCATE \u0438 DROP TABLE, \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0435 \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0432\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 (BEGIN &#8230; ROLLBACK), \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e, \u043a\u0430\u043a \u043e\u0431\u044b\u0447\u043d\u044b\u0435 DML-\u043a\u043e\u043c\u0430\u043d\u0434\u044b.<\/p>\n<p>\u0412 MS SQL Server TRUNCATE TABLE \u0438 DROP TABLE \u0442\u043e\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c, \u0435\u0441\u043b\u0438 \u043e\u043d\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u044b \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0432\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 BEGIN TRAN &#8230; ROLLBACK &#8212; \u0432 \u044d\u0442\u043e\u043c MS SQL \u0431\u043b\u0438\u0436\u0435 \u043a PostgreSQL, \u0447\u0435\u043c \u043a MySQL.<\/p>\n<p>\u0421\u0431\u0440\u043e\u0441 \u0441\u0447\u0435\u0442\u0447\u0438\u043a\u0430 identity \u043f\u043e\u0441\u043b\u0435 TRUNCATE \u0442\u043e\u0436\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u043e \u0434\u0438\u0430\u043b\u0435\u043a\u0442\u0430\u043c. \u0412 MySQL AUTO_INCREMENT \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043a \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438. \u0412 SQL Server IDENTITY \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043a \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u043c\u0443 seed \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438. \u0412 PostgreSQL \u043e\u0431\u044b\u0447\u043d\u044b\u0439 TRUNCATE \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u041d\u0415 \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 &#8212; \u0434\u043b\u044f \u0441\u0431\u0440\u043e\u0441\u0430 \u043d\u0443\u0436\u043d\u043e \u044f\u0432\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">TRUNCATE TABLE students RESTART IDENTITY;<\/code>.<\/p>\n<h2 id=\"s7\">\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435: WHERE, \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044f, \u0431\u044d\u043a\u0430\u043f<\/h2>\n<p>DELETE \u0431\u0435\u0437 WHERE &#8212; \u0441\u0430\u043c\u0430\u044f \u0447\u0430\u0441\u0442\u0430\u044f \u0438 \u0441\u0430\u043c\u0430\u044f \u0434\u043e\u0440\u043e\u0433\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 SQL. \u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u043d\u0438\u0436\u0435 \u0443\u0434\u0430\u043b\u0438\u0442 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0431\u0435\u0437 \u0435\u0434\u0438\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u043e\u0442 \u0421\u0423\u0411\u0414:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">DELETE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0422\u0430\u043a\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0435\u043d, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0431\u0430\u0437\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442 \u0435\u0433\u043e \u043c\u043e\u043b\u0447\u0430. \u041f\u0440\u0435\u0436\u0434\u0435 \u0447\u0435\u043c \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u0436\u0438\u0432\u043e\u0439 \u0431\u0430\u0437\u0435, \u0441\u0442\u043e\u0438\u0442 \u043f\u0440\u043e\u0439\u0442\u0438 \u0442\u0440\u0438 \u0448\u0430\u0433\u0430.<\/p>\n<p>\u041f\u0435\u0440\u0432\u044b\u0439 \u0448\u0430\u0433 &#8212; \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c, \u0447\u0442\u043e \u043f\u043e\u043f\u0430\u0434\u0435\u0442 \u043f\u043e\u0434 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435, \u043e\u0431\u044b\u0447\u043d\u044b\u043c SELECT \u0441 \u0442\u0435\u043c \u0436\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">SELECT<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">*<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">WHERE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'dropped'<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0412\u0442\u043e\u0440\u043e\u0439 \u0448\u0430\u0433 &#8212; \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u0443\u044e \u043a\u043e\u043f\u0438\u044e \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 (\u043f\u0440\u0438\u043c\u0435\u0440 \u0434\u043b\u044f MySQL\/PostgreSQL, \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u0437 \u0432\u044b\u0431\u043e\u0440\u043a\u0438):<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">CREATE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">TABLE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students_backup_20260919<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">AS<\/span>\n<span style=\"color: #C678DD\">SELECT<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">*<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">WHERE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'dropped'<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0422\u0440\u0435\u0442\u0438\u0439 \u0448\u0430\u0433 &#8212; \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0430\u043c\u043e \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0432\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438, \u0447\u0442\u043e\u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0434\u043e commit:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">BEGIN<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #C678DD\">DELETE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">FROM<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">students<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">WHERE<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">status<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'dropped'<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #7F848E\">-- \u0437\u0434\u0435\u0441\u044c \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442: SELECT count(*) FROM students;<\/span>\n<span style=\"color: #C678DD\">COMMIT<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #7F848E\">-- \u0435\u0441\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043d\u0435\u0432\u0435\u0440\u043d\u044b\u0439 - ROLLBACK; \u0432\u043c\u0435\u0441\u0442\u043e COMMIT \u043e\u0442\u043c\u0435\u043d\u0438\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435<\/span><\/code><\/pre>\n<p>\u0414\u043b\u044f MySQL \u0438 SQL Server \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043d\u0430\u0447\u0430\u043b\u0430 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u043f\u0438\u0448\u0435\u0442\u0441\u044f \u043a\u0430\u043a <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">START TRANSACTION;<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">BEGIN TRAN;<\/code> \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0430 \u043b\u043e\u0433\u0438\u043a\u0430 \u0442\u0430 \u0436\u0435: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442\u0441\u044f COMMIT \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438. \u0414\u043b\u044f TRUNCATE \u0438 DROP \u044d\u0442\u043e\u0442 \u0441\u043f\u043e\u0441\u043e\u0431 \u043e\u0442\u043a\u0430\u0442\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043d\u0435 \u0432\u043e \u0432\u0441\u0435\u0445 \u0421\u0423\u0411\u0414 &#8212; \u0441\u043c. \u0440\u0430\u0437\u0434\u0435\u043b \u043f\u0440\u043e \u0434\u0438\u0430\u043b\u0435\u043a\u0442\u044b \u0432\u044b\u0448\u0435: \u0432 MySQL \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044f \u0438\u0445 \u043d\u0435 \u0441\u043f\u0430\u0441\u0435\u0442 \u0438\u0437-\u0437\u0430 \u043d\u0435\u044f\u0432\u043d\u043e\u0433\u043e commit.<\/p>\n<h2 id=\"s8\">\u0412\u044b\u0432\u043e\u0434\u044b<\/h2>\n<ul>\n<li>DELETE \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e WHERE, \u043f\u0438\u0448\u0435\u0442 \u0438\u0445 \u0432 \u0436\u0443\u0440\u043d\u0430\u043b \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0438 \u043d\u0435 \u0442\u0440\u043e\u0433\u0430\u0435\u0442 \u0441\u0447\u0435\u0442\u0447\u0438\u043a id.<\/li>\n<li>TRUNCATE \u0431\u044b\u0441\u0442\u0440\u043e \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0432\u0441\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0446\u0435\u043b\u0438\u043a\u043e\u043c, WHERE \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442, \u043e\u0431\u044b\u0447\u043d\u043e \u043d\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b.<\/li>\n<li>DROP \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u0441\u0430\u043c\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 &#8212; \u0434\u0430\u043d\u043d\u044b\u0435 \u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443 &#8212; \u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u043f\u0435\u0440\u0435\u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0434\u043b\u044f \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b.<\/li>\n<li>\u0412 MySQL TRUNCATE \u0438 DROP \u0434\u0435\u043b\u0430\u044e\u0442 \u043d\u0435\u044f\u0432\u043d\u044b\u0439 commit \u0438 \u043d\u0435 \u043e\u0442\u043a\u0430\u0442\u044b\u0432\u0430\u044e\u0442\u0441\u044f, \u0432 PostgreSQL \u0438 SQL Server \u0438\u0445 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0432\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438.<\/li>\n<li>\u041f\u0435\u0440\u0435\u0434 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u043c \u043d\u0430 \u0436\u0438\u0432\u043e\u0439 \u0431\u0430\u0437\u0435: SELECT-\u043f\u0440\u0435\u0434\u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440, \u0431\u044d\u043a\u0430\u043f \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u044b\u0445 \u0441\u0442\u0440\u043e\u043a, \u0437\u0430\u0442\u0435\u043c DELETE \u0432\u043d\u0443\u0442\u0440\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u0434 COMMIT.<\/li>\n<\/ul>\n<h2 id=\"s9\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/h2>\n<p>\u0420\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 DELETE, TRUNCATE \u0438 DROP \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e \u0432\u0441\u043f\u043b\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435: \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u0434 \u043f\u0435\u0440\u0435\u0437\u0430\u043b\u0438\u0432\u043a\u043e\u0439, \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043d\u0435\u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u0430\u043f\u0438\u0441\u0435\u0439 \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e, \u043f\u043e\u043b\u043d\u044b\u0439 \u0441\u043d\u043e\u0441 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u043f\u043e\u0441\u043b\u0435 ETL-\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430. \u041e\u0448\u0438\u0431\u043a\u0430 \u0432 \u0432\u044b\u0431\u043e\u0440\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0437\u0434\u0435\u0441\u044c \u0441\u0442\u043e\u0438\u0442 \u0434\u043e\u0440\u043e\u0433\u043e &#8212; \u043c\u043e\u0436\u043d\u043e \u043a\u0430\u043a \u043f\u043e\u0442\u0435\u0440\u044f\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438, \u0442\u0430\u043a \u0438 \u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043c\u0443\u0441\u043e\u0440 \u0432 \u043f\u0440\u043e\u0434\u0435.<\/p>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>\u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c \u044f\u0437\u044b\u043a \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 &#8212; \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441, \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438, \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u043c\u0438 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044e &#8212; \u043d\u0430 \u043a\u0443\u0440\u0441\u0435 <a href=\"https:\/\/otus.ru\/lessons\/sql\/?int_article=udalenie-dannyh-v-sql&amp;int_place=article&amp;int_variant=v1\">SQL \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438<\/a> \u044d\u0442\u043e \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u044e\u0442 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u044f\u0445 \u0441 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u0431\u0430\u0437\u0430\u043c\u0438.<\/p>\n<\/div>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>\u041f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u0444\u043e\u0440\u043c\u0430\u0442 \u043f\u0435\u0440\u0435\u0434 \u0437\u0430\u043f\u0438\u0441\u044c\u044e \u043d\u0430 \u043a\u0443\u0440\u0441 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 <a href=\"https:\/\/otus.ru\/events\/?int_article=udalenie-dannyh-v-sql&amp;int_place=article&amp;int_variant=v1\">\u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0443\u0440\u043e\u043a\u0430\u0445 Otus<\/a> &#8212; \u0442\u0430\u043c \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0442 \u0440\u0430\u0437\u0431\u043e\u0440 \u043f\u043e\u0445\u043e\u0436\u0438\u0445 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0430\u0434\u0430\u0447 \u0432\u0436\u0438\u0432\u0443\u044e.<\/p>\n<\/div>\n<h2 id=\"s10\">FAQ<\/h2>\n<p><strong>\u041c\u043e\u0436\u043d\u043e \u043b\u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e\u0441\u043b\u0435 DELETE, \u0435\u0441\u043b\u0438 \u0431\u044d\u043a\u0430\u043f\u0430 \u043d\u0435\u0442?<\/strong><br \/>\n\u0415\u0441\u043b\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044f \u0435\u0449\u0435 \u043d\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 COMMIT, \u043f\u043e\u043c\u043e\u0436\u0435\u0442 ROLLBACK. \u041f\u043e\u0441\u043b\u0435 commit \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0411\u0414 &#8212; \u0447\u0435\u0440\u0435\u0437 point-in-time recovery \u043f\u043e \u0436\u0443\u0440\u043d\u0430\u043b\u0443 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439, \u0435\u0441\u043b\u0438 \u043e\u043d \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043d \u0438 \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0437\u0430 \u043d\u0443\u0436\u043d\u044b\u0439 \u043f\u0435\u0440\u0438\u043e\u0434; \u0448\u0442\u0430\u0442\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0435\u0442.<\/p>\n<p><strong>\u0427\u0442\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435 \u043d\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 \u0441 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430\u043c\u0438 \u0441\u0442\u0440\u043e\u043a &#8212; DELETE \u0438\u043b\u0438 TRUNCATE?<\/strong><br \/>\nTRUNCATE \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043d\u0435 \u043f\u0438\u0448\u0435\u0442 \u0432 \u0436\u0443\u0440\u043d\u0430\u043b \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043a\u0430\u0436\u0434\u043e\u0439 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438. \u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0431\u0435\u0437 \u0443\u0441\u043b\u043e\u0432\u0438\u044f, TRUNCATE \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0442\u0438\u0442\u0435\u043b\u044c\u043d\u0435\u0435 DELETE \u0431\u0435\u0437 WHERE.<\/p>\n<p><strong>\u041a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0438 \u0441\u0440\u0430\u0437\u0443 \u0438\u0437 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0442\u0430\u0431\u043b\u0438\u0446 \u043f\u043e \u043e\u0434\u043d\u043e\u043c\u0443 \u0443\u0441\u043b\u043e\u0432\u0438\u044e?<\/strong><br \/>\n\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u043e \u0434\u0438\u0430\u043b\u0435\u043a\u0442\u0430\u043c: \u0432 MySQL \u044d\u0442\u043e DELETE \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0438\u043c\u0435\u043d\u0430\u043c\u0438 \u0442\u0430\u0431\u043b\u0438\u0446 \u043f\u0435\u0440\u0435\u0434 FROM \u0438 JOIN \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u0438, \u0432 PostgreSQL &#8212; DELETE &#8230; USING, \u0432 SQL Server &#8212; DELETE &#8230; FROM \u0441 JOIN. \u042d\u0442\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u0430\u044f \u0442\u0435\u043c\u0430 \u043f\u0440\u043e\u0434\u0432\u0438\u043d\u0443\u0442\u043e\u0433\u043e \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0430, \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0430\u043a\u043a\u0443\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 join \u043f\u0435\u0440\u0435\u0434 \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u043d\u0430 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 SQL &#8212; \u044d\u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u0442\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043b\u0438 \u0441\u0430\u043c\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0446\u0435\u043b\u0438\u043a\u043e\u043c, \u0438 \u0432\u0435\u0434\u0435\u0442 \u0441\u0435\u0431\u044f \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430. DELETE \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0438 \u043f\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u044e \u0438 \u043f\u0438\u0448\u0435\u0442 \u043a\u0430\u0436\u0434\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 \u0432 \u0436\u0443\u0440\u043d\u0430\u043b \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439, TRUNCATE \u0440\u0430\u0437\u043e\u043c \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0432\u0441\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443, \u0430 DROP \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u0438 \u0434\u0430\u043d\u043d\u044b\u0435, \u0438 \u0441\u0430\u043c\u0443 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u044b. \u0414\u0430\u043b\u044c\u0448\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":7194,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[38,251],"class_list":["post-7193","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-sql","tag-bazy-dannyh-2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL: \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 DELETE, TRUNCATE \u0438 DROP, \u043e\u0442\u043a\u0430\u0442 \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e, \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 MySQL, PostgreSQL \u0438 MS SQL, \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d \u0441 WHERE \u0438 \u0431\u044d\u043a\u0430\u043f\u043e\u043c.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"A. Pavlenko\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#article\",\"name\":\"DELETE, TRUNCATE \\u0438 DROP \\u0432 SQL: \\u043a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 | Otus\",\"headline\":\"DELETE, TRUNCATE \\u0438 DROP: \\u043a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 \\u0432 SQL\",\"author\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/author\\\/a-pavlenko\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/oj-1080x720115-1.jpg\",\"width\":2245,\"height\":1587},\"datePublished\":\"2026-09-19T05:32:29+00:00\",\"dateModified\":\"2026-09-25T15:44:02+00:00\",\"inLanguage\":\"ru-RU\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#webpage\"},\"articleSection\":\"\\u041f\\u043e\\u043b\\u0435\\u0437\\u043d\\u043e\\u0435, SQL, \\u0431\\u0430\\u0437\\u044b \\u0434\\u0430\\u043d\\u043d\\u044b\\u0445\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/otus.ru\\\/journal\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/category\\\/polza\\\/#listItem\",\"name\":\"\\u041f\\u043e\\u043b\\u0435\\u0437\\u043d\\u043e\\u0435\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/category\\\/polza\\\/#listItem\",\"position\":2,\"name\":\"\\u041f\\u043e\\u043b\\u0435\\u0437\\u043d\\u043e\\u0435\",\"item\":\"https:\\\/\\\/otus.ru\\\/journal\\\/category\\\/polza\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#listItem\",\"name\":\"DELETE, TRUNCATE \\u0438 DROP: \\u043a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 \\u0432 SQL\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#listItem\",\"position\":3,\"name\":\"DELETE, TRUNCATE \\u0438 DROP: \\u043a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 \\u0432 SQL\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/category\\\/polza\\\/#listItem\",\"name\":\"\\u041f\\u043e\\u043b\\u0435\\u0437\\u043d\\u043e\\u0435\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#organization\",\"name\":\"\\u041e\\u0442\\u0443\\u0441 \\u043e\\u043d\\u043b\\u0430\\u0439\\u043d-\\u043e\\u0431\\u0440\\u0430\\u0437\\u043e\\u0432\\u0430\\u043d\\u0438\\u0435\",\"description\":\"\\u0411\\u043b\\u043e\\u0433 \\u043f\\u0440\\u043e IT\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/\",\"telephone\":\"+74999389202\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/OTUS-journal-logo-180x180-1.png\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#organizationLogo\",\"width\":180,\"height\":180},\"image\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCetgtvy93o3i3CvyGXKFU3g\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/author\\\/a-pavlenko\\\/#author\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/author\\\/a-pavlenko\\\/\",\"name\":\"A. Pavlenko\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/13488c7d5b657aaaf1808afd398f71e0225df07dd94eb7e5fcdfc45feff43cb5?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"A. Pavlenko\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#webpage\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/\",\"name\":\"DELETE, TRUNCATE \\u0438 DROP \\u0432 SQL: \\u043a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 | Otus\",\"description\":\"\\u041a\\u0430\\u043a \\u0443\\u0434\\u0430\\u043b\\u0438\\u0442\\u044c \\u0434\\u0430\\u043d\\u043d\\u044b\\u0435 \\u0432 SQL: \\u0440\\u0430\\u0437\\u043d\\u0438\\u0446\\u0430 \\u043c\\u0435\\u0436\\u0434\\u0443 DELETE, TRUNCATE \\u0438 DROP, \\u043e\\u0442\\u043a\\u0430\\u0442 \\u0447\\u0435\\u0440\\u0435\\u0437 \\u0442\\u0440\\u0430\\u043d\\u0437\\u0430\\u043a\\u0446\\u0438\\u044e, \\u043f\\u043e\\u0432\\u0435\\u0434\\u0435\\u043d\\u0438\\u0435 \\u0432 MySQL, PostgreSQL \\u0438 MS SQL, \\u0431\\u0435\\u0437\\u043e\\u043f\\u0430\\u0441\\u043d\\u044b\\u0439 \\u0448\\u0430\\u0431\\u043b\\u043e\\u043d \\u0441 WHERE \\u0438 \\u0431\\u044d\\u043a\\u0430\\u043f\\u043e\\u043c.\",\"inLanguage\":\"ru-RU\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/author\\\/a-pavlenko\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/author\\\/a-pavlenko\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/oj-1080x720115-1.jpg\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#mainImage\",\"width\":2245,\"height\":1587},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/udalenie-dannyh-v-sql\\\/#mainImage\"},\"datePublished\":\"2026-09-19T05:32:29+00:00\",\"dateModified\":\"2026-09-25T15:44:02+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#website\",\"url\":\"https:\\\/\\\/otus.ru\\\/journal\\\/\",\"name\":\"OTUS \\u0416\\u0443\\u0440\\u043d\\u0430\\u043b - \\u0411\\u043b\\u043e\\u0433 \\u043f\\u0440\\u043e IT\",\"alternateName\":\"OTUS \\u0416\\u0443\\u0440\\u043d\\u0430\\u043b\",\"description\":\"\\u0411\\u043b\\u043e\\u0433 \\u043f\\u0440\\u043e IT\",\"inLanguage\":\"ru-RU\",\"publisher\":{\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"DELETE, TRUNCATE \u0438 DROP \u0432 SQL: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 | Otus","description":"\u041a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL: \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 DELETE, TRUNCATE \u0438 DROP, \u043e\u0442\u043a\u0430\u0442 \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e, \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 MySQL, PostgreSQL \u0438 MS SQL, \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d \u0441 WHERE \u0438 \u0431\u044d\u043a\u0430\u043f\u043e\u043c.","canonical_url":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#article","name":"DELETE, TRUNCATE \u0438 DROP \u0432 SQL: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 | Otus","headline":"DELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL","author":{"@id":"https:\/\/otus.ru\/journal\/author\/a-pavlenko\/#author"},"publisher":{"@id":"https:\/\/otus.ru\/journal\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2023\/08\/oj-1080x720115-1.jpg","width":2245,"height":1587},"datePublished":"2026-09-19T05:32:29+00:00","dateModified":"2026-09-25T15:44:02+00:00","inLanguage":"ru-RU","mainEntityOfPage":{"@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#webpage"},"isPartOf":{"@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#webpage"},"articleSection":"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435, SQL, \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445"},{"@type":"BreadcrumbList","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/#listItem","position":1,"name":"Home","item":"https:\/\/otus.ru\/journal\/","nextItem":{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/category\/polza\/#listItem","name":"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435"}},{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/category\/polza\/#listItem","position":2,"name":"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435","item":"https:\/\/otus.ru\/journal\/category\/polza\/","nextItem":{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#listItem","name":"DELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL"},"previousItem":{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#listItem","position":3,"name":"DELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL","previousItem":{"@type":"ListItem","@id":"https:\/\/otus.ru\/journal\/category\/polza\/#listItem","name":"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435"}}]},{"@type":"Organization","@id":"https:\/\/otus.ru\/journal\/#organization","name":"\u041e\u0442\u0443\u0441 \u043e\u043d\u043b\u0430\u0439\u043d-\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435","description":"\u0411\u043b\u043e\u0433 \u043f\u0440\u043e IT","url":"https:\/\/otus.ru\/journal\/","telephone":"+74999389202","logo":{"@type":"ImageObject","url":"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2026\/04\/OTUS-journal-logo-180x180-1.png","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#organizationLogo","width":180,"height":180},"image":{"@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#organizationLogo"},"sameAs":["https:\/\/www.youtube.com\/channel\/UCetgtvy93o3i3CvyGXKFU3g"]},{"@type":"Person","@id":"https:\/\/otus.ru\/journal\/author\/a-pavlenko\/#author","url":"https:\/\/otus.ru\/journal\/author\/a-pavlenko\/","name":"A. Pavlenko","image":{"@type":"ImageObject","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/13488c7d5b657aaaf1808afd398f71e0225df07dd94eb7e5fcdfc45feff43cb5?s=96&d=mm&r=g","width":96,"height":96,"caption":"A. Pavlenko"}},{"@type":"WebPage","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#webpage","url":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/","name":"DELETE, TRUNCATE \u0438 DROP \u0432 SQL: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 | Otus","description":"\u041a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL: \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 DELETE, TRUNCATE \u0438 DROP, \u043e\u0442\u043a\u0430\u0442 \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e, \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 MySQL, PostgreSQL \u0438 MS SQL, \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d \u0441 WHERE \u0438 \u0431\u044d\u043a\u0430\u043f\u043e\u043c.","inLanguage":"ru-RU","isPartOf":{"@id":"https:\/\/otus.ru\/journal\/#website"},"breadcrumb":{"@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#breadcrumblist"},"author":{"@id":"https:\/\/otus.ru\/journal\/author\/a-pavlenko\/#author"},"creator":{"@id":"https:\/\/otus.ru\/journal\/author\/a-pavlenko\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2023\/08\/oj-1080x720115-1.jpg","@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#mainImage","width":2245,"height":1587},"primaryImageOfPage":{"@id":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/#mainImage"},"datePublished":"2026-09-19T05:32:29+00:00","dateModified":"2026-09-25T15:44:02+00:00"},{"@type":"WebSite","@id":"https:\/\/otus.ru\/journal\/#website","url":"https:\/\/otus.ru\/journal\/","name":"OTUS \u0416\u0443\u0440\u043d\u0430\u043b - \u0411\u043b\u043e\u0433 \u043f\u0440\u043e IT","alternateName":"OTUS \u0416\u0443\u0440\u043d\u0430\u043b","description":"\u0411\u043b\u043e\u0433 \u043f\u0440\u043e IT","inLanguage":"ru-RU","publisher":{"@id":"https:\/\/otus.ru\/journal\/#organization"}}]}},"aioseo_meta_data":{"post_id":"7193","title":"DELETE, TRUNCATE \u0438 DROP \u0432 SQL: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 | Otus","description":"\u041a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL: \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 DELETE, TRUNCATE \u0438 DROP, \u043e\u0442\u043a\u0430\u0442 \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e, \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 MySQL, PostgreSQL \u0438 MS SQL, \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d \u0441 WHERE \u0438 \u0431\u044d\u043a\u0430\u043f\u043e\u043c.","keywords":[],"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":[],"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","location":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-08-15 20:44:04","updated":"2026-09-25 16:32:59","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/otus.ru\/journal\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/otus.ru\/journal\/category\/polza\/\" title=\"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435\">\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tDELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/otus.ru\/journal\/"},{"label":"\u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0435","link":"https:\/\/otus.ru\/journal\/category\/polza\/"},{"label":"DELETE, TRUNCATE \u0438 DROP: \u043a\u0430\u043a \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 SQL","link":"https:\/\/otus.ru\/journal\/udalenie-dannyh-v-sql\/"}],"_links":{"self":[{"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/posts\/7193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/comments?post=7193"}],"version-history":[{"count":5,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/posts\/7193\/revisions"}],"predecessor-version":[{"id":13259,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/posts\/7193\/revisions\/13259"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/media\/7194"}],"wp:attachment":[{"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/media?parent=7193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/categories?post=7193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otus.ru\/journal\/wp-json\/wp\/v2\/tags?post=7193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}