{"id":6280,"date":"2024-11-14T09:53:40","date_gmt":"2024-11-14T01:53:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6280\/"},"modified":"2024-11-14T09:53:40","modified_gmt":"2024-11-14T01:53:40","slug":"mysql%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e5%ba%93%e5%92%8c%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6280\/","title":{"rendered":"mysql\u600e\u4e48\u5220\u9664\u5e93\u548c\u8868"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5220\u9664 mysql \u6570\u636e\u5e93\u548c\u8868\uff1f\u5220\u9664\u6570\u636e\u5e93\uff1a\u4f7f\u7528 drop database database_name \u8bed\u6cd5\uff0c\u5176\u4e2d database_name \u4e3a\u8981\u5220\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5220\u9664\u8868\uff1a\u4f7f\u7528 drop table table_name \u8bed\u6cd5\uff0c\u5176\u4e2d table_name \u4e3a\u8981\u5220\u9664\u7684\u8868\u540d\u79f0\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/25\/2024062515260519363.jpg\" class=\"aligncenter\" title=\"mysql\u600e\u4e48\u5220\u9664\u5e93\u548c\u8868\u63d2\u56fe\" alt=\"mysql\u600e\u4e48\u5220\u9664\u5e93\u548c\u8868\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u548c\u8868<\/strong><\/p>\n<h3>\u5220\u9664\u6570\u636e\u5e93<\/h3>\n<p>\u8981\u5220\u9664\u4e00\u4e2a MySQL \u6570\u636e\u5e93\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>DROP DATABASE database_name;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d database_name \u662f\u8981\u5220\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002<\/p>\n<h3>\u5220\u9664\u8868<\/h3>\n<p>\u8981\u5220\u9664\u4e00\u4e2a MySQL \u8868\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>DROP TABLE table_name;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d table_name \u662f\u8981\u5220\u9664\u7684\u8868\u540d\u79f0\u3002<\/p>\n<h3>\u6ce8\u610f\u4e8b\u9879<\/h3>\n<p>\u5728\u5220\u9664\u6570\u636e\u5e93\u6216\u8868\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u5df2\u5907\u4efd\u6240\u9700\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u5220\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u5220\u9664\u5305\u542b\u5916\u952e\u7ea6\u675f\u7684\u8868\uff0c\u60a8\u9700\u8981\u5148\u5220\u9664\u8fd9\u4e9b\u7ea6\u675f\uff0c\u7136\u540e\u518d\u5220\u9664\u8868\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5220\u9664\u5305\u542b\u5916\u952e\u7ea6\u675f\u7684\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>-- \u5220\u9664\u5916\u952e\u7ea6\u675f\nALTER TABLE child_table DROP FOREIGN KEY fk_parent_id;\n\n-- \u5220\u9664\u8868\nDROP TABLE child_table;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5220\u9664\u5e93\u548c\u8868\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5220\u9664 mysql \u6570\u636e\u5e93\u548c\u8868\uff1f\u5220\u9664\u6570\u636e\u5e93\uff1a\u4f7f\u7528 drop database database_name \u8bed\u6cd5\uff0c\u5176\u4e2d database_name \u4e3a\u8981\u5220\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5220\u9664\u8868\uff1a\u4f7f\u7528 drop table table_name \u8bed\u6cd5\uff0c\u5176\u4e2d table_name \u4e3a\u8981\u5220\u9664\u7684\u8868\u540d\u79f0\u3002 \u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u548c\u8868 \u5220\u9664\u6570\u636e\u5e93 \u8981\u5220\u9664\u4e00\u4e2a MySQL \u6570\u636e\u5e93\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a DROP DATABASE database_name; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d database_name \u662f\u8981\u5220\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 \u5220\u9664\u8868 \u8981\u5220\u9664\u4e00\u4e2a MySQL \u8868\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a DROP TABLE table_name; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d table_name \u662f\u8981\u5220\u9664\u7684\u8868\u540d\u79f0\u3002 \u6ce8\u610f\u4e8b\u9879 \u5728\u5220\u9664\u6570\u636e\u5e93\u6216\u8868\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u5df2\u5907\u4efd\u6240\u9700\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u5220\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002 \u5982\u679c\u60a8\u60f3\u8981\u5220\u9664\u5305\u542b\u5916\u952e\u7ea6\u675f\u7684\u8868\uff0c\u60a8\u9700\u8981\u5148\u5220\u9664\u8fd9\u4e9b\u7ea6\u675f\uff0c\u7136\u540e\u518d\u5220\u9664\u8868\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5220\u9664\u5305\u542b\u5916\u952e\u7ea6\u675f\u7684\u8868\u7684\u793a\u4f8b\uff1a &#8212; \u5220\u9664\u5916\u952e\u7ea6\u675f ALTER TABLE child_table DROP FOREIGN KEY fk_parent_id; &#8212; \u5220\u9664\u8868 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6280","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6280"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6280\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}