{"id":175279,"date":"2024-11-08T04:32:17","date_gmt":"2024-11-07T20:32:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175279\/"},"modified":"2024-11-08T04:32:18","modified_gmt":"2024-11-07T20:32:18","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mysql%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-mysql%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175279\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528MySQL\u6e05\u7a7a\u8868\u7684\u6578\u64da\u5eab\uff1f (mysql\u6e05\u7a7a\u8868\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mysql%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-xlQSiFcyZr\">\u5982\u4f55\u4f7f\u7528MySQL\u6e05\u7a7a\u8868\u7684\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6e05\u7a7a\u8868\u7684\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u9700\u8981\u91cd\u7f6e\u6e2c\u8a66\u6578\u64da\uff0c\u9084\u662f\u56e0\u70ba\u9700\u8981\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0cMySQL\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u9054\u6210\u9019\u4e00\u76ee\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528MySQL\u6e05\u7a7a\u8868\u7684\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-xlQSiFcyZr\">\u6e05\u7a7a\u8868\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6e05\u7a7a\u8868\u7684\u6578\u64da\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u6cd5\uff1a\u4f7f\u7528 <code>TRUNCATE<\/code> \u8a9e\u53e5\u548c\u4f7f\u7528 <code>DELETE<\/code> \u8a9e\u53e5\u3002<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-truncate-%e8%aa%9e%e5%8f%a5-xlQSiFcyZr\">1. \u4f7f\u7528 TRUNCATE \u8a9e\u53e5<\/h3>\n<p><code>TRUNCATE<\/code> \u662f\u4e00\u500b\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u6e05\u7a7a\u8868\u7684\u6578\u64da\u3002\u5b83\u6703\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4f46\u4e0d\u6703\u522a\u9664\u8868\u672c\u8eab\u3002\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u4e26\u4e14\u6703\u91cd\u7f6e\u81ea\u589e\u5217\u7684\u8a08\u6578\u5668\u3002<\/p>\n<pre><code>TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u60f3\u8981\u6e05\u7a7a\u5b83\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>TRUNCATE TABLE users;<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u7acb\u5373\u6e05\u7a7a <code>users<\/code> \u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-delete-%e8%aa%9e%e5%8f%a5-xlQSiFcyZr\">2. \u4f7f\u7528 DELETE \u8a9e\u53e5<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528 <code>DELETE<\/code> \u8a9e\u53e5\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u9078\u64c7\u8981\u522a\u9664\u7684\u884c\uff0c\u4f46\u76f8\u5c0d\u65bc <code>TRUNCATE<\/code>\uff0c\u5b83\u7684\u6027\u80fd\u8f03\u4f4e\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<pre><code>DELETE FROM \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u6e05\u7a7a <code>users<\/code> \u8868\u7684\u6578\u64da\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>DELETE FROM users;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528 <code>DELETE<\/code> \u8a9e\u53e5\u4e0d\u6703\u91cd\u7f6e\u81ea\u589e\u5217\u7684\u8a08\u6578\u5668\u3002<\/p>\n<h2 id=\"%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e6%96%b9%e6%b3%95-xlQSiFcyZr\">\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728\u9078\u64c7\u4f7f\u7528 <code>TRUNCATE<\/code> \u9084\u662f <code>DELETE<\/code> \u6642\uff0c\u61c9\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u8868\uff0c<code>TRUNCATE<\/code> \u901a\u5e38\u6bd4 <code>DELETE<\/code> \u66f4\u5feb\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u9010\u884c\u522a\u9664\u6578\u64da\u3002<\/li>\n<li><strong>\u81ea\u589e\u5217\uff1a<\/strong>\u5982\u679c\u8868\u4e2d\u6709\u81ea\u589e\u5217\uff0c\u4f7f\u7528 <code>TRUNCATE<\/code> \u6703\u91cd\u7f6e\u8a08\u6578\u5668\uff0c\u800c <code>DELETE<\/code> \u5247\u4e0d\u6703\u3002<\/li>\n<li><strong>\u89f8\u767c\u5668\uff1a<\/strong>\u5982\u679c\u8868\u4e2d\u6709\u89f8\u767c\u5668\uff0c<code>DELETE<\/code> \u6703\u89f8\u767c\u76f8\u61c9\u7684\u64cd\u4f5c\uff0c\u800c <code>TRUNCATE<\/code> \u5247\u4e0d\u6703\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-xlQSiFcyZr\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u7a7a\u8868\u7684\u6578\u64da\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4e1f\u5931\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u751f\u7522\u74b0\u5883\u4e2d\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u61c9\u8b39\u614e\u9032\u884c\uff0c\u907f\u514d\u5c0d\u696d\u52d9\u9020\u6210\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xlQSiFcyZr\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7a7aMySQL\u8868\u7684\u6578\u64da\u53ef\u4ee5\u901a\u904e <code>TRUNCATE<\/code> \u548c <code>DELETE<\/code> \u5169\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u3002\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u9700\u6c42\u548c\u60c5\u6cc1\u3002\u5728\u9032\u884c\u4efb\u4f55\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u505a\u597d\u5099\u4efd\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528MySQL\u6e05\u7a7a\u8868\u7684\u6578\u64da\u5eab\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u6709\u6548\u522a\u9664\u8868\u4e2d\u6240\u6709\u6578\u64da\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u6574\u6f54\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-175279","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175279","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=175279"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175279\/revisions"}],"predecessor-version":[{"id":175280,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175279\/revisions\/175280"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}