{"id":76440,"date":"2024-10-16T06:41:14","date_gmt":"2024-10-15T22:41:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76440\/"},"modified":"2024-10-16T06:41:14","modified_gmt":"2024-10-15T22:41:14","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5delete%e8%88%87truncate-table","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76440\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u7684\u66f4\u65b0\u8a9e\u53e5DELETE\u8207TRUNCATE TABLE"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5delete%e8%88%87truncate-table-oEhnmPrWdn\">MySQL\u6578\u64da\u5eab\u7684\u66f4\u65b0\u8a9e\u53e5DELETE\u8207TRUNCATE TABLE<\/h1>\n<p>\u5728MySQL\u6578\u64da\u5eab\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u662f\u65e5\u5e38\u7dad\u8b77\u7684\u91cd\u8981\u90e8\u5206\u3002\u7576\u9700\u8981\u522a\u9664\u6578\u64da\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u5169\u500b\u4e3b\u8981\u7684\u8a9e\u53e5\uff1aDELETE\u548cTRUNCATE TABLE\u3002\u96d6\u7136\u9019\u5169\u8005\u7684\u76ee\u7684\u90fd\u662f\u522a\u9664\u6578\u64da\uff0c\u4f46\u5b83\u5011\u5728\u529f\u80fd\u3001\u6027\u80fd\u548c\u4f7f\u7528\u5834\u666f\u4e0a\u6709\u8457\u986f\u8457\u7684\u5dee\u7570\u3002<\/p>\n<h2 id=\"delete%e8%aa%9e%e5%8f%a5-oEhnmPrWdn\">DELETE\u8a9e\u53e5<\/h2>\n<p>DELETE\u8a9e\u53e5\u7528\u65bc\u5f9e\u6578\u64da\u8868\u4e2d\u522a\u9664\u7279\u5b9a\u7684\u884c\u3002\u9019\u500b\u8a9e\u53e5\u53ef\u4ee5\u6839\u64da\u689d\u4ef6\u9032\u884c\u7be9\u9078\uff0c\u5f9e\u800c\u53ea\u522a\u9664\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u60a8\u60f3\u522a\u9664\u7528\u6236ID\u70ba5\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE id = 5;<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u52a0WHERE\u689d\u4ef6\uff0c\u5247\u6703\u522a\u9664\u8868\u4e2d\u6240\u6709\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM users;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cDELETE\u8a9e\u53e5\u6703\u89f8\u767cDELETE\u89f8\u767c\u5668\uff08\u5982\u679c\u6709\u7684\u8a71\uff09\uff0c\u4e26\u4e14\u53ef\u4ee5\u56de\u6efe\uff08rollback\uff09\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884cDELETE\u64cd\u4f5c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u547d\u4ee4\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h2 id=\"truncate-table%e8%aa%9e%e5%8f%a5-oEhnmPrWdn\">TRUNCATE TABLE\u8a9e\u53e5<\/h2>\n<p>TRUNCATE TABLE\u8a9e\u53e5\u5247\u662f\u7528\u4f86\u5feb\u901f\u522a\u9664\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u884c\u3002\u9019\u500b\u8a9e\u53e5\u4e0d\u6703\u6839\u64da\u689d\u4ef6\u9032\u884c\u7be9\u9078\uff0c\u4e26\u4e14\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u201cusers\u201d\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>TRUNCATE TABLE users;<\/code><\/pre>\n<p>TRUNCATE TABLE\u7684\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e0d\u6703\u89f8\u767cDELETE\u89f8\u767c\u5668\u3002<\/li>\n<li>\u7121\u6cd5\u56de\u6efe\uff0c\u57f7\u884c\u5f8c\u6578\u64da\u7121\u6cd5\u6062\u5fa9\u3002<\/li>\n<li>\u901a\u5e38\u6bd4DELETE\u8a9e\u53e5\u66f4\u5feb\uff0c\u56e0\u70ba\u5b83\u4e0d\u9010\u884c\u522a\u9664\uff0c\u800c\u662f\u76f4\u63a5\u91cb\u653e\u6574\u500b\u8868\u7684\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"delete%e8%88%87truncate-table%e7%9a%84%e6%af%94%e8%bc%83-oEhnmPrWdn\">DELETE\u8207TRUNCATE TABLE\u7684\u6bd4\u8f03<\/h2>\n<p>\u5728\u9078\u64c7\u4f7f\u7528DELETE\u9084\u662fTRUNCATE TABLE\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\uff1a<\/strong>TRUNCATE TABLE\u901a\u5e38\u6bd4DELETE\u66f4\u5feb\uff0c\u7279\u5225\u662f\u5728\u522a\u9664\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u6578\u64da\u6062\u5fa9\uff1a<\/strong>DELETE\u53ef\u4ee5\u56de\u6efe\uff0c\u800cTRUNCATE TABLE\u5247\u7121\u6cd5\u3002<\/li>\n<li><strong>\u89f8\u767c\u5668\uff1a<\/strong>DELETE\u6703\u89f8\u767c\u76f8\u95dc\u7684\u89f8\u767c\u5668\uff0c\u800cTRUNCATE TABLE\u4e0d\u6703\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5834\u666f\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u7279\u5b9a\u884c\uff0c\u61c9\u4f7f\u7528DELETE\uff1b\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u8868\uff0c\u5247\u4f7f\u7528TRUNCATE TABLE\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-oEhnmPrWdn\">\u7d50\u8ad6<\/h2>\n<p>\u5728MySQL\u4e2d\uff0cDELETE\u548cTRUNCATE TABLE\u90fd\u662f\u91cd\u8981\u7684\u6578\u64da\u522a\u9664\u5de5\u5177\u3002\u9078\u64c7\u5408\u9069\u7684\u8a9e\u53e5\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002\u4e86\u89e3\u5b83\u5011\u7684\u7279\u9ede\u548c\u4f7f\u7528\u5834\u666f\uff0c\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u76f8\u95dc\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002\u7121\u8ad6\u662f\u5c0b\u627e<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u9084\u662f\u5176\u4ed6<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2dDELETE\u8207TRUNCATE TABLE\u7684\u5340\u5225\uff0c\u638c\u63e1\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76440","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76440"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76440\/revisions"}],"predecessor-version":[{"id":76441,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76440\/revisions\/76441"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}