{"id":6527,"date":"2024-11-14T11:03:12","date_gmt":"2024-11-14T03:03:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6527\/"},"modified":"2024-11-14T11:03:12","modified_gmt":"2024-11-14T03:03:12","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93mysql%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6527\/","title":{"rendered":"\u6570\u636e\u5e93mysql\u600e\u4e48\u5220\u9664\u8868"},"content":{"rendered":"

\n \u53ef\u4ee5\u4f7f\u7528 drop table table_name \u547d\u4ee4\u5220\u9664 mysql \u8868\uff0c\u4f46\u9700\u6ce8\u610f\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5907\u4efd\u91cd\u8981\u6570\u636e\uff0c\u56e0\u4e3a\u5220\u9664\u8868\u4e0d\u53ef\u9006\u3002\u5904\u7406\u5916\u952e\u7ea6\u675f\uff1acascade\uff1a\u81ea\u52a8\u5220\u9664\u76f8\u5173\u8bb0\u5f55\u3002restrict\uff1a\u963b\u6b62\u5220\u9664\u3002\n<\/p><\/blockquote>\n

\"\u6570\u636e\u5e93mysql\u600e\u4e48\u5220\u9664\u8868\u63d2\u56fe\"<\/p>\n

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

\u5220\u9664\u8868\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n

\u8981\u5220\u9664 MySQL \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

DROP TABLE table_name;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0ctable_name \u662f\u8981\u5220\u9664\u7684\u8868\u7684\u540d\u79f0\u3002<\/p>\n
\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
    \n
  • \u5220\u9664\u8868\u662f\u4e00\u4e2a\u4e0d\u53ef\u9006\u7684\u64cd\u4f5c\uff0c\u4e00\u65e6\u6267\u884c\uff0c\u8868\u53ca\u5176\u6240\u6709\u6570\u636e\u90fd\u5c06\u6c38\u4e45\u4e22\u5931\u3002<\/li>\n
  • \u786e\u4fdd\u5728\u5220\u9664\u8868\u4e4b\u524d\u5907\u4efd\u91cd\u8981\u6570\u636e\u3002<\/li>\n
  • \u5982\u679c\u8868\u4e2d\u6709\u5916\u952e\u7ea6\u675f\uff0c\u5219\u5fc5\u987b\u5148\u5220\u9664\u5f15\u7528\u8be5\u8868\u7684\u76f8\u5173\u8bb0\u5f55\uff0c\u5426\u5219\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/li>\n<\/ul>\n
    \u547d\u4ee4\u8bed\u6cd5\uff1a<\/strong><\/p>\n
    DROP TABLE \u547d\u4ee4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    DROP TABLE [IF EXISTS] table_name [CASCADE | RESTRICT];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • IF EXISTS\uff1a\u5982\u679c\u8868\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/li>\n
    • CASCADE\uff1a\u81ea\u52a8\u5220\u9664\u8868\u4e2d\u6240\u6709\u5916\u952e\u5f15\u7528\uff0c\u4ee5\u53ca\u5f15\u7528\u8be5\u8868\u7684\u5176\u4ed6\u8868\u4e2d\u7684\u76f8\u5173\u8bb0\u5f55\u3002<\/li>\n
    • RESTRICT\uff1a\u5982\u679c\u5b58\u5728\u5916\u952e\u5f15\u7528\uff0c\u5219\u963b\u6b62\u5220\u9664\u8868\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u8981\u5220\u9664\u540d\u4e3a my_table \u7684\u8868\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
      DROP TABLE my_table;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u9a8c\u8bc1\u5220\u9664\uff1a<\/strong><\/p>\n
      \u5220\u9664\u8868\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 SHOW TABLES \u547d\u4ee4\u6765\u9a8c\u8bc1\u8868\u662f\u5426\u5df2\u5220\u9664\uff1a<\/p>\n
      SHOW TABLES;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5982\u679c\u8868\u5df2\u6210\u529f\u5220\u9664\uff0c\u5b83\u5c06\u4e0d\u518d\u663e\u793a\u5728\u8f93\u51fa\u4e2d\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\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":"
      \u53ef\u4ee5\u4f7f\u7528 drop table table_name \u547d\u4ee4\u5220\u9664 mysql \u8868\uff0c\u4f46\u9700\u6ce8\u610f\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5907\u4efd\u91cd\u8981\u6570\u636e\uff0c\u56e0\u4e3a\u5220\u9664\u8868\u4e0d\u53ef\u9006\u3002\u5904\u7406\u5916\u952e\u7ea6\u675f\uff1acascade\uff1a\u81ea\u52a8\u5220\u9664\u76f8\u5173\u8bb0\u5f55\u3002restrict\uff1a\u963b\u6b62\u5220\u9664\u3002 \u5982\u4f55\u5220\u9664 MySQL \u8868 \u5220\u9664\u8868\u7684\u6b65\u9aa4\uff1a \u8981\u5220\u9664 MySQL \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a DROP TABLE table_name; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0ctable_name \u662f\u8981\u5220\u9664\u7684\u8868\u7684\u540d\u79f0\u3002 \u6ce8\u610f\u4e8b\u9879\uff1a \u5220\u9664\u8868\u662f\u4e00\u4e2a\u4e0d\u53ef\u9006\u7684\u64cd\u4f5c\uff0c\u4e00\u65e6\u6267\u884c\uff0c\u8868\u53ca\u5176\u6240\u6709\u6570\u636e\u90fd\u5c06\u6c38\u4e45\u4e22\u5931\u3002 \u786e\u4fdd\u5728\u5220\u9664\u8868\u4e4b\u524d\u5907\u4efd\u91cd\u8981\u6570\u636e\u3002 \u5982\u679c\u8868\u4e2d\u6709\u5916\u952e\u7ea6\u675f\uff0c\u5219\u5fc5\u987b\u5148\u5220\u9664\u5f15\u7528\u8be5\u8868\u7684\u76f8\u5173\u8bb0\u5f55\uff0c\u5426\u5219\u4f1a\u4ea7\u751f\u9519\u8bef\u3002 \u547d\u4ee4\u8bed\u6cd5\uff1a DROP TABLE \u547d\u4ee4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a DROP TABLE [IF EXISTS] table_name [CASCADE | RESTRICT]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a IF EXISTS\uff1a\u5982\u679c\u8868\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u4f1a\u4ea7\u751f\u9519\u8bef\u3002 CASCADE\uff1a\u81ea\u52a8\u5220\u9664\u8868\u4e2d\u6240\u6709\u5916\u952e\u5f15\u7528\uff0c\u4ee5\u53ca\u5f15\u7528\u8be5\u8868\u7684\u5176\u4ed6\u8868\u4e2d\u7684\u76f8\u5173\u8bb0\u5f55\u3002 RESTRICT\uff1a\u5982\u679c\u5b58\u5728\u5916\u952e\u5f15\u7528\uff0c\u5219\u963b\u6b62\u5220\u9664\u8868\u3002 \u793a\u4f8b\uff1a \u8981\u5220\u9664\u540d\u4e3a my_table \u7684\u8868\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a DROP TABLE my_table; \u767b\u5f55\u540e\u590d\u5236 \u9a8c\u8bc1\u5220\u9664\uff1a \u5220\u9664\u8868\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 SHOW TABLES \u547d\u4ee4\u6765\u9a8c\u8bc1\u8868\u662f\u5426\u5df2\u5220\u9664\uff1a […]<\/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-6527","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6527","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=6527"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6527\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}