{"id":174709,"date":"2024-11-07T23:05:26","date_gmt":"2024-11-07T15:05:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174709\/"},"modified":"2024-11-07T23:05:26","modified_gmt":"2024-11-07T15:05:26","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%b8%85%e7%a9%basql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e8%a1%a8%ef%bc%9f-sql%e6%b8%85%e7%a9%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174709\/","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u6e05\u7a7aSQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff1f (sql\u6e05\u7a7a\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7684\u8868)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%b8%85%e7%a9%basql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e8%a1%a8%ef%bc%9f-IyYGBKIvoX\">\u5982\u4f55\u5feb\u901f\u6e05\u7a7aSQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6709\u6642\u5019\u6211\u5011\u9700\u8981\u5feb\u901f\u6e05\u7a7a\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6e2c\u8a66\u74b0\u5883\u9700\u8981\u91cd\u7f6e\uff0c\u6216\u8005\u662f\u56e0\u70ba\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u4e0d\u518d\u9700\u8981\u3002\u7121\u8ad6\u539f\u56e0\u5982\u4f55\uff0c\u6e05\u7a7a\u6240\u6709\u8868\u7684\u904e\u7a0b\u9700\u8981\u8b39\u614e\u9032\u884c\uff0c\u4ee5\u907f\u514d\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5feb\u901f\u6e05\u7a7aSQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8truncate%e5%91%bd%e4%bb%a4-IyYGBKIvoX\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528TRUNCATE\u547d\u4ee4<\/h2>\n<p>TRUNCATE\u547d\u4ee4\u662f\u4e00\u7a2e\u5feb\u901f\u6e05\u7a7a\u8868\u4e2d\u6240\u6709\u6578\u64da\u7684\u65b9\u6cd5\u3002\u8207DELETE\u547d\u4ee4\u4e0d\u540c\uff0cTRUNCATE\u4e0d\u6703\u9010\u884c\u522a\u9664\u6578\u64da\uff0c\u800c\u662f\u76f4\u63a5\u91cb\u653e\u6574\u500b\u8868\u7684\u7a7a\u9593\uff0c\u9019\u4f7f\u5f97\u5b83\u7684\u57f7\u884c\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n<pre><code>TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u591a\u500b\u8868\uff0c\u53ef\u4ee5\u4f9d\u6b21\u57f7\u884cTRUNCATE\u547d\u4ee4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>TRUNCATE TABLE \u88681;\nTRUNCATE TABLE \u88682;\nTRUNCATE TABLE \u88683;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTRUNCATE\u547d\u4ee4\u7121\u6cd5\u5728\u6709\u5916\u9375\u7d04\u675f\u7684\u8868\u4e0a\u4f7f\u7528\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u6c92\u6709\u5916\u9375\u4f9d\u8cf4\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8delete%e5%91%bd%e4%bb%a4-IyYGBKIvoX\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528DELETE\u547d\u4ee4<\/h2>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u7684\u8868\u4e4b\u9593\u5b58\u5728\u5916\u9375\u7d04\u675f\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528DELETE\u547d\u4ee4\u3002\u96d6\u7136DELETE\u547d\u4ee4\u7684\u57f7\u884c\u901f\u5ea6\u8f03\u6162\uff0c\u4f46\u5b83\u53ef\u4ee5\u5728\u6709\u5916\u9375\u7d04\u675f\u7684\u60c5\u6cc1\u4e0b\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<pre><code>DELETE FROM \u8868\u540d;<\/code><\/pre>\n<p>\u540c\u6a23\u5730\uff0c\u5c0d\u65bc\u591a\u500b\u8868\uff0c\u53ef\u4ee5\u4f9d\u6b21\u57f7\u884cDELETE\u547d\u4ee4\uff1a<\/p>\n<pre><code>DELETE FROM \u88681;\nDELETE FROM \u88682;\nDELETE FROM \u88683;<\/code><\/pre>\n<p>\u4f7f\u7528DELETE\u547d\u4ee4\u6642\uff0c\u5efa\u8b70\u5728\u57f7\u884c\u4e4b\u524d\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8%e8%85%b3%e6%9c%ac%e8%87%aa%e5%8b%95%e6%b8%85%e7%a9%ba%e6%89%80%e6%9c%89%e8%a1%a8-IyYGBKIvoX\">\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528\u8173\u672c\u81ea\u52d5\u6e05\u7a7a\u6240\u6709\u8868<\/h2>\n<p>\u5982\u679c\u6578\u64da\u5eab\u4e2d\u6709\u5927\u91cf\u8868\uff0c\u624b\u52d5\u57f7\u884cTRUNCATE\u6216DELETE\u547d\u4ee4\u53ef\u80fd\u6703\u975e\u5e38\u7e41\u7463\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528\u8173\u672c\u81ea\u52d5\u6e05\u7a7a\u6240\u6709\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528MySQL\u7684\u793a\u4f8b\u8173\u672c\uff1a<\/p>\n<pre><code>SET FOREIGN_KEY_CHECKS = 0; \nSELECT CONCAT('TRUNCATE TABLE ', table_name, ';') \nFROM information_schema.tables \nWHERE table_schema = '\u6578\u64da\u5eab\u540d'; \nSET FOREIGN_KEY_CHECKS = 1;<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u6703\u751f\u6210\u6240\u6709\u8868\u7684TRUNCATE\u547d\u4ee4\uff0c\u7136\u5f8c\u53ef\u4ee5\u5c07\u751f\u6210\u7684\u547d\u4ee4\u8907\u88fd\u4e26\u57f7\u884c\u3002\u8acb\u78ba\u4fdd\u5728\u57f7\u884c\u4e4b\u524d\u5c07&#8217;\u6578\u64da\u5eab\u540d&#8217;\u66ff\u63db\u70ba\u5be6\u969b\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e5%9b%9b%ef%bc%9a%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-IyYGBKIvoX\">\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h2>\n<p>\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982phpMyAdmin\u3001Navicat\u7b49\uff09\u63d0\u4f9b\u4e86\u6e05\u7a7a\u8868\u7684\u529f\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u5716\u5f62\u754c\u9762\u9078\u64c7\u8981\u6e05\u7a7a\u7684\u8868\uff0c\u7136\u5f8c\u57f7\u884c\u6e05\u7a7a\u64cd\u4f5c\u3002\u9019\u7a2e\u65b9\u6cd5\u5c0d\u65bc\u4e0d\u719f\u6089SQL\u547d\u4ee4\u7684\u7528\u6236\u4f86\u8aaa\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-IyYGBKIvoX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u6e05\u7a7a\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u78ba\u4fdd\u4e86\u89e3\u6e05\u7a7a\u64cd\u4f5c\u7684\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u751f\u7522\u74b0\u5883\u4e2d\u3002<\/li>\n<li>\u5728\u4f7f\u7528TRUNCATE\u547d\u4ee4\u6642\uff0c\u6ce8\u610f\u5916\u9375\u7d04\u675f\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IyYGBKIvoX\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7a7aSQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u5be6\u73fe\uff0c\u5305\u62ec\u4f7f\u7528TRUNCATE\u548cDELETE\u547d\u4ee4\u3001\u7de8\u5beb\u81ea\u52d5\u5316\u8173\u672c\u6216\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u3002\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u60c5\u6cc1\u548c\u9700\u6c42\u3002\u5728\u9032\u884c\u4efb\u4f55\u6e05\u7a7a\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u640d\u5931\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5feb\u901f\u6e05\u7a7aSQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff0c\u7c21\u55ae\u6b65\u9a5f\u8207\u6709\u6548\u547d\u4ee4\uff0c\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\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-174709","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174709","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=174709"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174709\/revisions"}],"predecessor-version":[{"id":174710,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174709\/revisions\/174710"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}