{"id":6528,"date":"2024-11-14T11:15:20","date_gmt":"2024-11-14T03:15:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6528\/"},"modified":"2024-11-14T11:15:20","modified_gmt":"2024-11-14T03:15:20","slug":"%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6528\/","title":{"rendered":"\u600e\u4e48\u5220\u9664mysql\u6570\u636e\u5e93\u8868"},"content":{"rendered":"

\n \u8981\u5220\u9664 mysql \u6570\u636e\u5e93\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528 drop table \u8bed\u53e5\uff0c\u5176\u4e2d table_name \u4e3a\u8981\u5220\u9664\u7684\u8868\u540d\u3002\u8be5\u8bed\u53e5\u5177\u6709\u53ef\u9009\u7684 if exists \u5b50\u53e5\uff0c\u53ef\u786e\u4fdd\u4ec5\u5728\u8868\u5b58\u5728\u65f6\u624d\u5220\u9664\u5b83\u3002\u5982\u9700\u5220\u9664\u540d\u4e3a users \u7684\u8868\uff0c\u53ef\u4f7f\u7528 drop table users; \u8bed\u53e5\u3002\u6ce8\u610f\uff1a\u5220\u9664\u8868\u5c06\u6c38\u4e45\u79fb\u9664\u6240\u6709\u6570\u636e\uff0c\u5e76\u4e14\u4f1a\u89e3\u9664\u5916\u952e\u5173\u7cfb\uff08\u5982\u679c\u6709\uff09\u3002\n<\/p><\/blockquote>\n

\"\u600e\u4e48\u5220\u9664mysql\u6570\u636e\u5e93\u8868\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u8868<\/strong><\/p>\n

\u5220\u9664 MySQL \u6570\u636e\u5e93\u8868\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u6b65\u9aa4\u4ecb\u7ecd\u4e86\u5982\u4f55\u6267\u884c\u6b64\u64cd\u4f5c\uff1a<\/p>\n

1. \u4f7f\u7528 DROP TABLE \u8bed\u53e5<\/strong><\/p>\n

\u4f7f\u7528 DROP TABLE \u8bed\u53e5\u5220\u9664\u8868\u3002\u8be5\u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

DROP TABLE [IF EXISTS] table_name;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • table_name \u662f\u8981\u5220\u9664\u7684\u8868\u540d\u3002<\/li>\n
  • IF EXISTS \u5b50\u53e5\u662f\u53ef\u9009\u7684\u3002\u5b83\u786e\u4fdd\u4ec5\u5728\u8868\u5b58\u5728\u65f6\u624d\u5220\u9664\u5b83\u3002<\/li>\n<\/ul>\n
    2. \u793a\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u793a\u4f8b\u5220\u9664\u540d\u4e3a users \u7684\u8868\uff1a<\/p>\n
    DROP TABLE users;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    3. \u786e\u8ba4\u5220\u9664<\/strong><\/p>\n
    \u5220\u9664\u8868\u540e\uff0c\u5b83\u5c06\u4ece\u6570\u636e\u5e93\u4e2d\u6c38\u4e45\u79fb\u9664\u3002\u56e0\u6b64\uff0c\u5728\u5220\u9664\u8868\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u4e0d\u518d\u9700\u8981\u5b83\u3002<\/p>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • \u5220\u9664\u8868\u4f1a\u540c\u65f6\u5220\u9664\u5176\u4e2d\u7684\u6240\u6709\u6570\u636e\u3002<\/li>\n
    • \u5982\u679c\u8868\u4e0e\u5176\u4ed6\u8868\u6709\u5916\u952e\u5173\u7cfb\uff0c\u5219\u5728\u5220\u9664\u8868\u4e4b\u524d\u5fc5\u987b\u89e3\u9664\u8fd9\u4e9b\u5173\u7cfb\u3002<\/li>\n
    • \u5982\u679c\u60a8\u4e0d\u786e\u5b9a\u8981\u5220\u9664\u7684\u8868\uff0c\u8bf7\u4f7f\u7528 SHOW TABLES \u8bed\u53e5\u5217\u51fa\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5220\u9664\u6570\u636e\u5e93\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":"
      \u8981\u5220\u9664 mysql \u6570\u636e\u5e93\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528 drop table \u8bed\u53e5\uff0c\u5176\u4e2d table_name \u4e3a\u8981\u5220\u9664\u7684\u8868\u540d\u3002\u8be5\u8bed\u53e5\u5177\u6709\u53ef\u9009\u7684 if exists \u5b50\u53e5\uff0c\u53ef\u786e\u4fdd\u4ec5\u5728\u8868\u5b58\u5728\u65f6\u624d\u5220\u9664\u5b83\u3002\u5982\u9700\u5220\u9664\u540d\u4e3a users \u7684\u8868\uff0c\u53ef\u4f7f\u7528 drop table users; \u8bed\u53e5\u3002\u6ce8\u610f\uff1a\u5220\u9664\u8868\u5c06\u6c38\u4e45\u79fb\u9664\u6240\u6709\u6570\u636e\uff0c\u5e76\u4e14\u4f1a\u89e3\u9664\u5916\u952e\u5173\u7cfb\uff08\u5982\u679c\u6709\uff09\u3002 \u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u8868 \u5220\u9664 MySQL \u6570\u636e\u5e93\u8868\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u6b65\u9aa4\u4ecb\u7ecd\u4e86\u5982\u4f55\u6267\u884c\u6b64\u64cd\u4f5c\uff1a 1. \u4f7f\u7528 DROP TABLE \u8bed\u53e5 \u4f7f\u7528 DROP TABLE \u8bed\u53e5\u5220\u9664\u8868\u3002\u8be5\u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a DROP TABLE [IF EXISTS] table_name; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a table_name \u662f\u8981\u5220\u9664\u7684\u8868\u540d\u3002 IF EXISTS \u5b50\u53e5\u662f\u53ef\u9009\u7684\u3002\u5b83\u786e\u4fdd\u4ec5\u5728\u8868\u5b58\u5728\u65f6\u624d\u5220\u9664\u5b83\u3002 2. \u793a\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u5220\u9664\u540d\u4e3a users \u7684\u8868\uff1a DROP TABLE users; \u767b\u5f55\u540e\u590d\u5236 3. \u786e\u8ba4\u5220\u9664 […]<\/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-6528","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6528","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=6528"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6528\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}