{"id":186210,"date":"2024-11-11T04:01:20","date_gmt":"2024-11-10T20:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186210\/"},"modified":"2024-11-11T04:01:20","modified_gmt":"2024-11-10T20:01:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a1%a8%ef%bc%88%e5%a6%82%e4%bd%95%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186210\/","title":{"rendered":"\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\uff1a\u6279\u91cf\u522a\u9664\u8868\uff08\u5982\u4f55\u6279\u91cf\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a1%a8%ef%bc%88%e5%a6%82%e4%bd%95%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-DOMbKJZsit\">\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\uff1a\u6279\u91cf\u522a\u9664\u8868\uff08\u5982\u4f55\u6279\u91cf\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6279\u91cf\u522a\u9664\u8868\u662f\u4e00\u9805\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u6216\u9032\u884c\u6578\u64da\u5eab\u91cd\u69cb\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u6279\u91cf\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a1%a8%ef%bc%9f-DOMbKJZsit\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6279\u91cf\u522a\u9664\u8868\uff1f<\/h2>\n<p>\u6279\u91cf\u522a\u9664\u8868\u7684\u539f\u56e0\u53ef\u80fd\u6709\u5f88\u591a\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u91cd\u69cb\uff1a\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u767c\u73fe\u67d0\u4e9b\u8868\u4e0d\u518d\u9700\u8981\u3002<\/li>\n<li>\u6e05\u7406\u820a\u6578\u64da\uff1a\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u67d0\u4e9b\u8868\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/li>\n<li>\u6027\u80fd\u512a\u5316\uff1a\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u8868\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-DOMbKJZsit\">\u6279\u91cf\u522a\u9664\u8868\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u8868\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u6279\u91cf\u522a\u9664\u8868\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e8%a6%81%e5%88%aa%e9%99%a4%e7%9a%84%e8%a1%a8-DOMbKJZsit\">1. \u78ba\u8a8d\u8981\u522a\u9664\u7684\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u5b9a\u54ea\u4e9b\u8868\u9700\u8981\u88ab\u522a\u9664\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u5217\u51fa\u6240\u6709\u8868\uff1a<\/p>\n<pre><code>SHOW TABLES;<\/code><\/pre>\n<h3 id=\"2-%e7%b7%a8%e5%af%ab%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5-DOMbKJZsit\">2. \u7de8\u5beb\u522a\u9664\u8a9e\u53e5<\/h3>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u8981\u522a\u9664\u7684\u8868\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u6279\u91cf\u522a\u9664\u5b83\u5011\uff1a<\/p>\n<pre><code>DROP TABLE table1, table2, table3;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u60a8\u9700\u8981\u5c07 <code>table1<\/code>\u3001<code>table2<\/code> \u548c <code>table3<\/code> \u66ff\u63db\u70ba\u60a8\u8981\u522a\u9664\u7684\u5be6\u969b\u8868\u540d\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%8b%95%e6%85%8b-sql-%e9%80%b2%e8%a1%8c%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-DOMbKJZsit\">3. \u4f7f\u7528\u52d5\u614b SQL \u9032\u884c\u6279\u91cf\u522a\u9664<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u4f86\u522a\u9664\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u52d5\u614b SQL\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u8a72\u793a\u4f8b\u5c07\u522a\u9664\u6240\u6709\u4ee5 <code>temp_<\/code> \u958b\u982d\u7684\u8868\uff1a<\/p>\n<pre><code>SET @tables = NULL;\nSELECT GROUP_CONCAT(table_name) INTO @tables \nFROM information_schema.tables \nWHERE table_schema = 'your_database_name' AND table_name LIKE 'temp_%';\n\nSET @sql = CONCAT('DROP TABLE ', @tables);\nPREPARE stmt FROM @sql;\nEXECUTE stmt;\nDEALLOCATE PREPARE stmt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u5c07 <code>your_database_name<\/code> \u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DOMbKJZsit\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6279\u91cf\u522a\u9664\u8868\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u522a\u9664\u8868\u3002<\/li>\n<li>\u5728\u522a\u9664\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u6aa2\u67e5\u662f\u5426\u6709\u5176\u4ed6\u8868\u4f9d\u8cf4\u65bc\u8981\u522a\u9664\u7684\u8868\uff0c\u4ee5\u907f\u514d\u7834\u58de\u6578\u64da\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DOMbKJZsit\">\u7e3d\u7d50<\/h2>\n<p>\u6279\u91cf\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8868\u662f\u4e00\u9805\u5f37\u5927\u7684\u64cd\u4f5c\uff0c\u4f46\u4e5f\u9700\u8981\u8b39\u614e\u9032\u884c\u3002\u901a\u904e\u4f7f\u7528 SQL \u67e5\u8a62\u548c\u52d5\u614b SQL\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u6216\u662f\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u6279\u91cf\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\uff0c\u63d0\u5347\u7ba1\u7406\u6548\u7387\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\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-186210","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186210","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=186210"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186210\/revisions"}],"predecessor-version":[{"id":186211,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186210\/revisions\/186211"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}