{"id":180204,"date":"2024-11-09T08:16:17","date_gmt":"2024-11-09T00:16:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180204\/"},"modified":"2024-11-09T08:16:18","modified_gmt":"2024-11-09T00:16:18","slug":"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e6%9c%89%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84sql%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180204\/","title":{"rendered":"\u522a\u9664\u6578\u64da\u5eab\u6240\u6709\u5b58\u5132\u904e\u7a0b\u7684SQL\u8a9e\u53e5"},"content":{"rendered":"<h1 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e6%9c%89%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84sql%e8%aa%9e%e5%8f%a5-UTJRKxOSny\">\u522a\u9664\u6578\u64da\u5eab\u6240\u6709\u5b58\u5132\u904e\u7a0b\u7684SQL\u8a9e\u53e5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u57f7\u884c\u8907\u96dc\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4e0d\u518d\u9700\u8981\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u9019\u6642\u5019\u5c31\u9700\u8981\u522a\u9664\u5b83\u5011\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u5b58\u5132\u904e\u7a0b\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%9f-UTJRKxOSny\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u5beb\u7684SQL\u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b83\u5011\u901a\u5e38\u7528\u65bc\u5c01\u88dd\u696d\u52d9\u908f\u8f2f\uff0c\u7c21\u5316\u6578\u64da\u64cd\u4f5c\uff0c\u4e26\u63d0\u9ad8\u6027\u80fd\u3002\u5b58\u5132\u904e\u7a0b\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u91cd\u7528\u6027\uff1a\u53ef\u4ee5\u591a\u6b21\u8abf\u7528\uff0c\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u7684\u76f4\u63a5\u8a2a\u554f\u3002<\/li>\n<li>\u6027\u80fd\uff1a\u53ef\u4ee5\u63d0\u9ad8\u57f7\u884c\u6548\u7387\uff0c\u56e0\u70ba\u5b58\u5132\u904e\u7a0b\u5728\u6578\u64da\u5eab\u4e2d\u7de8\u8b6f\u4e26\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%9f-UTJRKxOSny\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5c55\uff0c\u67d0\u4e9b\u5b58\u5132\u904e\u7a0b\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9700\u8981\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\u3001\u4ee3\u78bc\u7684\u91cd\u69cb\u6216\u662f\u6027\u80fd\u7684\u8003\u91cf\u3002\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\uff0c\u6e1b\u5c11\u6df7\u4e82\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84sql%e8%aa%9e%e5%8f%a5-UTJRKxOSny\">\u522a\u9664\u5b58\u5132\u904e\u7a0b\u7684SQL\u8a9e\u53e5<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u522a\u9664\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u55ae\u500b\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DROP PROCEDURE [IF EXISTS] procedure_name;<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>procedure_name<\/code>\u662f\u60a8\u8981\u522a\u9664\u7684\u5b58\u5132\u904e\u7a0b\u7684\u540d\u7a31\u3002\u4f7f\u7528<code>IF EXISTS<\/code>\u53ef\u4ee5\u907f\u514d\u5728\u5b58\u5132\u904e\u7a0b\u4e0d\u5b58\u5728\u6642\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%89%80%e6%9c%89%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-UTJRKxOSny\">\u6279\u91cf\u522a\u9664\u6240\u6709\u5b58\u5132\u904e\u7a0b<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u5b58\u5132\u904e\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u9996\u5148\uff0c\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u5b58\u5132\u904e\u7a0b\u540d\u7a31\u3002<\/li>\n<li>\u7136\u5f8c\uff0c\u751f\u6210\u76f8\u61c9\u7684<code>DROP PROCEDURE<\/code>\u8a9e\u53e5\u3002<\/li>\n<li>\u6700\u5f8c\uff0c\u57f7\u884c\u9019\u4e9b\u8a9e\u53e5\u4ee5\u522a\u9664\u5b58\u5132\u904e\u7a0b\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728MySQL\u4e2d\u522a\u9664\u6240\u6709\u5b58\u5132\u904e\u7a0b\uff1a<\/p>\n<pre><code>SELECT CONCAT('DROP PROCEDURE IF EXISTS ', ROUTINE_NAME, ';')\nFROM INFORMATION_SCHEMA.ROUTINES\nWHERE ROUTINE_TYPE = 'PROCEDURE' AND ROUTINE_SCHEMA = 'your_database_name';<\/code><\/pre>\n<p>\u9019\u6bb5SQL\u8a9e\u53e5\u5c07\u751f\u6210\u6240\u6709\u5b58\u5132\u904e\u7a0b\u7684\u522a\u9664\u8a9e\u53e5\u3002\u60a8\u53ea\u9700\u5c07<code>your_database_name<\/code>\u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u751f\u6210\u7684\u8a9e\u53e5\u8907\u88fd\u4e26\u57f7\u884c\uff0c\u4ee5\u522a\u9664\u6240\u6709\u5b58\u5132\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-UTJRKxOSny\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664\u5b58\u5132\u904e\u7a0b\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u522a\u9664\u5b58\u5132\u904e\u7a0b\u3002<\/li>\n<li>\u5728\u522a\u9664\u4e4b\u524d\uff0c\u5099\u4efd\u76f8\u95dc\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u4ee5\u9632\u672a\u4f86\u9700\u8981\u6062\u5fa9\u3002<\/li>\n<li>\u6aa2\u67e5\u662f\u5426\u6709\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u6216\u4ee3\u78bc\u4f9d\u8cf4\u65bc\u9019\u4e9b\u5b58\u5132\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UTJRKxOSny\">\u7e3d\u7d50<\/h2>\n<p>\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u9805\u91cd\u8981\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4efb\u52d9\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u6027\u80fd\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684SQL\u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u5b58\u5132\u904e\u7a0b\u3002\u7121\u8ad6\u662f\u55ae\u500b\u5b58\u5132\u904e\u7a0b\u9084\u662f\u6279\u91cf\u522a\u9664\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u5c0d\u8c61\u90fd\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u5099\u7684\u6280\u80fd\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u5b58\u5132\u904e\u7a0b\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\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-180204","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180204","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=180204"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180204\/revisions"}],"predecessor-version":[{"id":180205,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180204\/revisions\/180205"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}