{"id":75734,"date":"2024-10-16T00:46:16","date_gmt":"2024-10-15T16:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75734\/"},"modified":"2024-10-16T00:46:16","modified_gmt":"2024-10-15T16:46:16","slug":"mysql-sql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b8%85%e7%a9%ba%e4%bb%a3%e7%a2%bc%e6%b8%85%e7%a9%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75734\/","title":{"rendered":"MySQL SQL\u6578\u64da\u5eab\u6e05\u7a7a\u4ee3\u78bc\u6e05\u7a7a"},"content":{"rendered":"<h1 id=\"mysql-sql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b8%85%e7%a9%ba%e4%bb%a3%e7%a2%bc%e6%b8%85%e7%a9%ba-NODcrqjDKN\">MySQL SQL\u6578\u64da\u5eab\u6e05\u7a7a\u4ee3\u78bc\u6e05\u7a7a<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6e05\u7a7a\u6578\u64da\u5eab\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5728\u958b\u767c\u548c\u6e2c\u8a66\u968e\u6bb5\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6e05\u7a7a\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u6e05\u7a7aMySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%a9%ba%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-NODcrqjDKN\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7a7a\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u6e05\u7a7a\u6578\u64da\u5eab\u7684\u539f\u56e0\u6709\u5f88\u591a\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6e2c\u8a66\u74b0\u5883\u91cd\u7f6e\uff1a\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u91cd\u7f6e\u6578\u64da\u5eab\uff0c\u4ee5\u4fbf\u9032\u884c\u65b0\u7684\u6e2c\u8a66\u3002<\/li>\n<li>\u6578\u64da\u6e05\u7406\uff1a\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li>\u6578\u64da\u9077\u79fb\uff1a\u5728\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u6e05\u7a7a\u820a\u6578\u64da\uff0c\u4ee5\u4fbf\u5c0e\u5165\u65b0\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%85%e7%a9%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-NODcrqjDKN\">\u6e05\u7a7a\u6578\u64da\u5eab\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6e05\u7a7a\u6578\u64da\u5eab\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\u5169\u7a2e\uff1a\u4f7f\u7528DROP DATABASE\u8a9e\u53e5\u548cTRUNCATE TABLE\u8a9e\u53e5\u3002<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8drop-database-NODcrqjDKN\">1. \u4f7f\u7528DROP DATABASE<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5b8c\u5168\u522a\u9664\u6574\u500b\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u8868\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DROP DATABASE database_name;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664\u6307\u5b9a\u7684\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u5167\u5bb9\u3002\u8acb\u6ce8\u610f\uff0c\u9019\u662f\u4e00\u500b\u4e0d\u53ef\u9006\u7684\u64cd\u4f5c\uff0c\u57f7\u884c\u5f8c\u5c07\u7121\u6cd5\u6062\u5fa9\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8truncate-table-NODcrqjDKN\">2. \u4f7f\u7528TRUNCATE TABLE<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u6e05\u7a7a\u6578\u64da\u5eab\u4e2d\u7684\u67d0\u4e9b\u8868\uff0c\u800c\u4e0d\u522a\u9664\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528TRUNCATE TABLE\u8a9e\u53e5\u3002\u9019\u689d\u8a9e\u53e5\u6703\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4f46\u4fdd\u7559\u8868\u7684\u7d50\u69cb\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code>TRUNCATE TABLE table_name;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u53ef\u4ee5\u91dd\u5c0d\u6bcf\u500b\u8868\u57f7\u884cTRUNCATE\u64cd\u4f5c\uff0c\u6e05\u7a7a\u6240\u6709\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b8%85%e7%a9%ba%e5%a4%9a%e5%80%8b%e8%a1%a8%e7%9a%84%e7%a4%ba%e4%be%8b-NODcrqjDKN\">\u6e05\u7a7a\u591a\u500b\u8868\u7684\u793a\u4f8b<\/h2>\n<p>\u5982\u679c\u60a8\u9700\u8981\u6e05\u7a7a\u6578\u64da\u5eab\u4e2d\u7684\u591a\u500b\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre><code>\nSET FOREIGN_KEY_CHECKS = 0; \nTRUNCATE TABLE table1; \nTRUNCATE TABLE table2; \nTRUNCATE TABLE table3; \nSET FOREIGN_KEY_CHECKS = 1;\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u7981\u7528\u5916\u9375\u6aa2\u67e5\uff0c\u4ee5\u907f\u514d\u56e0\u70ba\u5916\u9375\u7d04\u675f\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f9d\u6b21\u6e05\u7a7a\u6240\u9700\u7684\u8868\uff0c\u6700\u5f8c\u518d\u555f\u7528\u5916\u9375\u6aa2\u67e5\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NODcrqjDKN\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u7a7a\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5099\u4efd\u6578\u64da\uff1a\u5728\u57f7\u884c\u6e05\u7a7a\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4e1f\u5931\u91cd\u8981\u4fe1\u606f\u3002<\/li>\n<li>\u78ba\u8a8d\u64cd\u4f5c\uff1a\u78ba\u4fdd\u60a8\u6e05\u7a7a\u7684\u6578\u64da\u5eab\u6216\u8868\u662f\u6b63\u78ba\u7684\uff0c\u907f\u514d\u8aa4\u64cd\u4f5c\u3002<\/li>\n<li>\u6b0a\u9650\u7ba1\u7406\uff1a\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u6e05\u7a7a\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NODcrqjDKN\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7a7aMySQL\u6578\u64da\u5eab\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u64cd\u4f5c\uff0c\u7121\u8ad6\u662f\u70ba\u4e86\u6e2c\u8a66\u3001\u6578\u64da\u6e05\u7406\u9084\u662f\u6578\u64da\u9077\u79fb\u3002\u5728\u4f7f\u7528DROP DATABASE\u548cTRUNCATE TABLE\u7b49\u8a9e\u53e5\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\u64cd\u4f5c\uff0c\u4ee5\u514d\u9020\u6210\u6578\u64da\u4e1f\u5931\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to clear a MySQL database with simple SQL commands. Efficiently reset your database to start fresh with our easy-to-follow guide.<\/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-75734","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75734","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=75734"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75734\/revisions"}],"predecessor-version":[{"id":75735,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75734\/revisions\/75735"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}