{"id":174715,"date":"2024-11-07T23:08:20","date_gmt":"2024-11-07T15:08:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174715\/"},"modified":"2024-11-07T23:08:21","modified_gmt":"2024-11-07T15:08:21","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174715\/","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u522a\u9664\u6578\u64da\u5eab\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da (\u6578\u64da\u5eab\u522a\u9664\u8868\u4e2d\u6240\u6709\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-ScSIWNPyFo\">\u5982\u4f55\u5feb\u901f\u522a\u9664\u6578\u64da\u5eab\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u6e05\u7a7a\u67d0\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6e2c\u8a66\u3001\u6578\u64da\u91cd\u7f6e\u6216\u5176\u4ed6\u539f\u56e0\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5feb\u901f\u522a\u9664\u6578\u64da\u5eab\u8868\u4e2d\u6240\u6709\u6578\u64da\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-delete-%e8%aa%9e%e5%8f%a5-ScSIWNPyFo\">\u4f7f\u7528 DELETE \u8a9e\u53e5<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 SQL \u7684 <code>DELETE<\/code> \u8a9e\u53e5\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4f46\u4e0d\u6703\u522a\u9664\u8868\u672c\u8eab\u3002<\/p>\n<pre><code>DELETE FROM \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\u522a\u9664\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DELETE FROM users;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u7a2e\u65b9\u6cd5\u6703\u9010\u884c\u522a\u9664\u6578\u64da\uff0c\u5c0d\u65bc\u5927\u578b\u8868\u4f86\u8aaa\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u6b64\u5916\uff0c\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-truncate-%e8%aa%9e%e5%8f%a5-ScSIWNPyFo\">\u4f7f\u7528 TRUNCATE \u8a9e\u53e5<\/h2>\n<p>\u53e6\u4e00\u7a2e\u66f4\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>TRUNCATE<\/code> \u8a9e\u53e5\u3002\u9019\u500b\u547d\u4ee4\u6703\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4e26\u91cd\u7f6e\u81ea\u589e\u4e3b\u9375\u7684\u8a08\u6578\u5668\u3002<\/p>\n<pre><code>TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c0d\u65bc <code>users<\/code> \u8868\uff0c\u53ef\u4ee5\u9019\u6a23\u57f7\u884c\uff1a<\/p>\n<pre><code>TRUNCATE TABLE users;<\/code><\/pre>\n<p>\u4f7f\u7528 <code>TRUNCATE<\/code> \u7684\u512a\u52e2\u5728\u65bc\u5b83\u6bd4 <code>DELETE<\/code> \u66f4\u5feb\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u9010\u884c\u522a\u9664\u6578\u64da\uff0c\u800c\u662f\u76f4\u63a5\u91cb\u653e\u6574\u500b\u6578\u64da\u9801\u9762\u3002\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-drop-%e8%aa%9e%e5%8f%a5-ScSIWNPyFo\">\u4f7f\u7528 DROP \u8a9e\u53e5<\/h2>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u4e0d\u50c5\u522a\u9664\u8868\u4e2d\u7684\u6578\u64da\uff0c\u9084\u60f3\u522a\u9664\u6574\u500b\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DROP<\/code> \u8a9e\u53e5\u3002\u9019\u5c07\u6c38\u4e45\u522a\u9664\u8868\u53ca\u5176\u6240\u6709\u6578\u64da\u3002<\/p>\n<pre><code>DROP TABLE \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP TABLE users;<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u57f7\u884c\u5f8c\u5c07\u7121\u6cd5\u6062\u5fa9\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528 <code>DROP<\/code> \u524d\uff0c\u52d9\u5fc5\u78ba\u8a8d\u4e0d\u518d\u9700\u8981\u8a72\u8868\u53ca\u5176\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ScSIWNPyFo\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u57f7\u884c\u4efb\u4f55\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4e1f\u5931\u3002<\/li>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u9019\u4e9b\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u5728\u751f\u7522\u74b0\u5883\u4e2d\u3002<\/li>\n<li>\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ScSIWNPyFo\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5feb\u901f\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u5be6\u73fe\uff0c\u5305\u62ec\u4f7f\u7528 <code>DELETE<\/code>\u3001<code>TRUNCATE<\/code> \u548c <code>DROP<\/code> \u8a9e\u53e5\u3002\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u4e26\u6e1b\u5c11\u98a8\u96aa\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7b56\u7565\u5f97\u7576\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u696d\u52d9\u904b\u71df\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5feb\u901f\u522a\u9664\u6578\u64da\u5eab\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u638c\u63e1\u6709\u6548\u7684SQL\u547d\u4ee4\u548c\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u5167\u5bb9\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-174715","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174715","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=174715"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174715\/revisions"}],"predecessor-version":[{"id":174716,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174715\/revisions\/174716"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}