{"id":6495,"date":"2024-11-14T08:21:19","date_gmt":"2024-11-14T00:21:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6495\/"},"modified":"2024-11-14T08:21:19","modified_gmt":"2024-11-14T00:21:19","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6495\/","title":{"rendered":"mysql\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u6570\u636e"},"content":{"rendered":"

\n \u4f7f\u7528 delete \u8bed\u53e5\u53ef\u4ece mysql \u6570\u636e\u5e93\u4e2d\u5220\u9664\u6570\u636e\uff1adelete from {\u8868\u540d} where {\u6761\u4ef6}\u3002\u6b65\u9aa4\u5305\u62ec\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3001\u9009\u62e9\u6570\u636e\u5e93\u3001\u7f16\u5199 delete \u8bed\u53e5\u3001\u6267\u884c\u8bed\u53e5\u3001\u9a8c\u8bc1\u5220\u9664\u3002\n<\/p><\/blockquote>\n

\"mysql\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u6570\u636e\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e<\/strong><\/p>\n

\u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 DELETE \u8bed\u53e5\u6765\u5b8c\u6210\u3002DELETE \u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

DELETE FROM table_name\nWHERE condition;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • table_name \u662f\u8981\u5220\u9664\u6570\u636e\u7684\u8868\u540d\u3002<\/li>\n
  • condition \u662f\u4e00\u4e2a\u53ef\u9009\u7684\u6761\u4ef6\uff0c\u7528\u4e8e\u6307\u5b9a\u8981\u5220\u9664\u54ea\u4e9b\u884c\u3002<\/li>\n<\/ul>\n
    \u6b65\u9aa4\uff1a<\/strong><\/p>\n
      \n
    1.  \u8fde\u63a5\u5230\u6570\u636e\u5e93\uff1a<\/strong>\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u5de5\u5177\u6216\u4efb\u4f55\u5176\u4ed6 MySQL \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n
    2.  \u9009\u62e9\u6570\u636e\u5e93\uff1a<\/strong>\u4f7f\u7528 USE \u8bed\u53e5\u9009\u62e9\u8981\u4ece\u4e2d\u5220\u9664\u6570\u636e\u7684\u6570\u636e\u5e93\u3002<\/li>\n
    3.  \u7f16\u5199 DELETE \u8bed\u53e5\uff1a<\/strong>\u4f7f\u7528\u4e0a\u8ff0\u8bed\u6cd5\u7f16\u5199 DELETE \u8bed\u53e5\uff0c\u6307\u5b9a\u8868\u540d\u548c\u6761\u4ef6\uff08\u5982\u679c\u9700\u8981\uff09\u3002<\/li>\n
    4.  \u6267\u884c DELETE \u8bed\u53e5\uff1a<\/strong>\u4f7f\u7528 ;\uff08\u5206\u53f7\uff09\u7ec8\u6b62 DELETE \u8bed\u53e5\u5e76\u6309 Enter \u952e\u6267\u884c\u3002<\/li>\n
    5.  \u9a8c\u8bc1\u5220\u9664\uff1a<\/strong>\u6267\u884c SELECT \u8bed\u53e5\u4ee5\u9a8c\u8bc1\u6570\u636e\u662f\u5426\u5df2\u5220\u9664\u3002<\/li>\n<\/ol>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u8981\u4ece\u540d\u4e3a customers \u7684\u8868\u4e2d\u5220\u9664\u5177\u6709 customer_id \u4e3a 10 \u7684\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n
      DELETE FROM customers\nWHERE customer_id = 10;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
        \n
      • DELETE \u8bed\u53e5\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u6267\u884c\u4e4b\u524d\u52a1\u5fc5\u505a\u597d\u6570\u636e\u5907\u4efd\u3002<\/li>\n
      • \u5982\u679c\u4e0d\u6307\u5b9a\u6761\u4ef6\uff0cDELETE \u8bed\u53e5\u5c06\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\u3002<\/li>\n
      • \u53ef\u4ee5\u4f7f\u7528 LIMIT \u5b50\u53e5\u9650\u5236\u8981\u5220\u9664\u7684\u884c\u6570\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u6570\u636e\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":"
        \u4f7f\u7528 delete \u8bed\u53e5\u53ef\u4ece mysql \u6570\u636e\u5e93\u4e2d\u5220\u9664\u6570\u636e\uff1adelete from {\u8868\u540d} where {\u6761\u4ef6}\u3002\u6b65\u9aa4\u5305\u62ec\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3001\u9009\u62e9\u6570\u636e\u5e93\u3001\u7f16\u5199 delete \u8bed\u53e5\u3001\u6267\u884c\u8bed\u53e5\u3001\u9a8c\u8bc1\u5220\u9664\u3002 \u5982\u4f55\u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e \u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 DELETE \u8bed\u53e5\u6765\u5b8c\u6210\u3002DELETE \u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a DELETE FROM table_name WHERE condition; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a table_name \u662f\u8981\u5220\u9664\u6570\u636e\u7684\u8868\u540d\u3002 condition \u662f\u4e00\u4e2a\u53ef\u9009\u7684\u6761\u4ef6\uff0c\u7528\u4e8e\u6307\u5b9a\u8981\u5220\u9664\u54ea\u4e9b\u884c\u3002 \u6b65\u9aa4\uff1a \u8fde\u63a5\u5230\u6570\u636e\u5e93\uff1a\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u5de5\u5177\u6216\u4efb\u4f55\u5176\u4ed6 MySQL \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002 \u9009\u62e9\u6570\u636e\u5e93\uff1a\u4f7f\u7528 USE \u8bed\u53e5\u9009\u62e9\u8981\u4ece\u4e2d\u5220\u9664\u6570\u636e\u7684\u6570\u636e\u5e93\u3002 \u7f16\u5199 DELETE \u8bed\u53e5\uff1a\u4f7f\u7528\u4e0a\u8ff0\u8bed\u6cd5\u7f16\u5199 DELETE \u8bed\u53e5\uff0c\u6307\u5b9a\u8868\u540d\u548c\u6761\u4ef6\uff08\u5982\u679c\u9700\u8981\uff09\u3002 \u6267\u884c DELETE \u8bed\u53e5\uff1a\u4f7f\u7528 ;\uff08\u5206\u53f7\uff09\u7ec8\u6b62 DELETE \u8bed\u53e5\u5e76\u6309 Enter \u952e\u6267\u884c\u3002 \u9a8c\u8bc1\u5220\u9664\uff1a\u6267\u884c SELECT […]<\/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-6495","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6495","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=6495"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6495\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}