{"id":6392,"date":"2024-11-14T15:01:19","date_gmt":"2024-11-14T07:01:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6392\/"},"modified":"2024-11-14T15:01:19","modified_gmt":"2024-11-14T07:01:19","slug":"%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4mysql%e7%9a%84%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6392\/","title":{"rendered":"\u5982\u4f55\u5220\u9664mysql\u7684\u6570\u636e"},"content":{"rendered":"

\n \u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5220\u9664 mysql \u6570\u636e\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5e76\u9009\u62e9\u8981\u5220\u9664\u6570\u636e\u7684\u8868\uff1b\u4f7f\u7528 delete \u8bed\u53e5\u5220\u9664\u6570\u636e\uff0c\u53ef\u6307\u5b9a\u6761\u4ef6\u6216\u4e0d\u6307\u5b9a\uff1b\u63d0\u4ea4\u66f4\u6539\u4ee5\u6c38\u4e45\u5e94\u7528\u5220\u9664\u64cd\u4f5c\uff1b\u4f18\u5316\u8868\u4ee5\u91ca\u653e\u672a\u4f7f\u7528\u7a7a\u95f4\u3002\n<\/p><\/blockquote>\n

\"\u5982\u4f55\u5220\u9664mysql\u7684\u6570\u636e\u63d2\u56fe\"<\/p>\n

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

\u5220\u9664 MySQL \u6570\u636e\u662f\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\u3001\u7ef4\u62a4\u6570\u636e\u5b8c\u6574\u6027\u548c\u7ba1\u7406\u6570\u636e\u5e93\u6027\u80fd\u7684\u5fc5\u4e0d\u53ef\u5c11\u64cd\u4f5c\u3002\u4ee5\u4e0b\u5206\u6b65\u6307\u5357\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u6709\u6548\u5730\u5220\u9664 MySQL \u6570\u636e\uff1a<\/p>\n

\u6b65\u9aa4 1\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93<\/strong><\/p>\n

\u4f7f\u7528 MySQL \u5ba2\u6237\u7aef\uff08\u5982 MySQL Workbench \u6216\u547d\u4ee4\u884c\u5de5\u5177\uff09\u8fde\u63a5\u5230\u76ee\u6807\u6570\u636e\u5e93\u3002<\/p>\n

\u6b65\u9aa4 2\uff1a\u9009\u62e9\u8981\u5220\u9664\u6570\u636e\u7684\u8868<\/strong><\/p>\n

\u4f7f\u7528 USE \u8bed\u53e5\u9009\u62e9\u8981\u4ece\u4e2d\u5220\u9664\u6570\u636e\u7684\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n

USE my_database;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b65\u9aa4 3\uff1a\u4f7f\u7528 DELETE \u8bed\u53e5<\/strong><\/p>\n
\u8981\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u8bf7\u4f7f\u7528 DELETE \u8bed\u53e5\uff0c\u4e0d\u6307\u5b9a\u4efb\u4f55\u6761\u4ef6\uff1a<\/p>\n
DELETE FROM my_table;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8981\u5220\u9664\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u884c\uff0c\u8bf7\u5728 DELETE \u8bed\u53e5\u4e2d\u4f7f\u7528 WHERE \u5b50\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n
DELETE FROM my_table WHERE id > 10;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b65\u9aa4 4\uff1a\u63d0\u4ea4\u66f4\u6539<\/strong><\/p>\n
\u4f7f\u7528 COMMIT \u8bed\u53e5\u63d0\u4ea4\u5220\u9664\u64cd\u4f5c\u5e76\u6c38\u4e45\u5e94\u7528\u66f4\u6539\u3002<\/p>\n
\u6b65\u9aa4 5\uff1a\u4f18\u5316\u7a7a\u95f4<\/strong><\/p>\n
\u5220\u9664\u6570\u636e\u540e\uff0c\u8868\u4e2d\u53ef\u80fd\u4f1a\u7559\u4e0b\u4e00\u4e9b\u672a\u4f7f\u7528\u7a7a\u95f4\u3002\u4f7f\u7528 OPTIMIZE TABLE \u8bed\u53e5\u4f18\u5316\u8868\u4ee5\u91ca\u653e\u8fd9\u4e9b\u7a7a\u95f4\u3002\u4f8b\u5982\uff1a<\/p>\n
OPTIMIZE TABLE my_table;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
    \n
  • \u4f7f\u7528 TRUNCATE \u8bed\u53e5\u53ef\u4ee5\u6bd4 DELETE \u8bed\u53e5\u66f4\u5feb\u5730\u5220\u9664\u8868\u4e2d\u7684\u5927\u91cf\u6570\u636e\u3002<\/li>\n
  • \u5220\u9664\u6570\u636e\u662f\u4e0d\u53ef\u9006\u64cd\u4f5c\u3002\u5728\u5220\u9664\u6570\u636e\u4e4b\u524d\u8bf7\u52a1\u5fc5\u521b\u5efa\u5907\u4efd\u3002<\/li>\n
  • \u786e\u4fdd\u60a8\u62e5\u6709\u5220\u9664\u6570\u636e\u7684\u9002\u5f53\u6743\u9650\u3002<\/li>\n
  • \u5728\u9ad8\u5e76\u53d1\u7cfb\u7edf\u4e2d\uff0c\u8bf7\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5220\u9664\u7684\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":"
    \u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5220\u9664 mysql \u6570\u636e\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5e76\u9009\u62e9\u8981\u5220\u9664\u6570\u636e\u7684\u8868\uff1b\u4f7f\u7528 delete \u8bed\u53e5\u5220\u9664\u6570\u636e\uff0c\u53ef\u6307\u5b9a\u6761\u4ef6\u6216\u4e0d\u6307\u5b9a\uff1b\u63d0\u4ea4\u66f4\u6539\u4ee5\u6c38\u4e45\u5e94\u7528\u5220\u9664\u64cd\u4f5c\uff1b\u4f18\u5316\u8868\u4ee5\u91ca\u653e\u672a\u4f7f\u7528\u7a7a\u95f4\u3002 \u5982\u4f55\u5220\u9664 MySQL \u6570\u636e \u5220\u9664 MySQL \u6570\u636e\u662f\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\u3001\u7ef4\u62a4\u6570\u636e\u5b8c\u6574\u6027\u548c\u7ba1\u7406\u6570\u636e\u5e93\u6027\u80fd\u7684\u5fc5\u4e0d\u53ef\u5c11\u64cd\u4f5c\u3002\u4ee5\u4e0b\u5206\u6b65\u6307\u5357\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u6709\u6548\u5730\u5220\u9664 MySQL \u6570\u636e\uff1a \u6b65\u9aa4 1\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93 \u4f7f\u7528 MySQL \u5ba2\u6237\u7aef\uff08\u5982 MySQL Workbench \u6216\u547d\u4ee4\u884c\u5de5\u5177\uff09\u8fde\u63a5\u5230\u76ee\u6807\u6570\u636e\u5e93\u3002 \u6b65\u9aa4 2\uff1a\u9009\u62e9\u8981\u5220\u9664\u6570\u636e\u7684\u8868 \u4f7f\u7528 USE \u8bed\u53e5\u9009\u62e9\u8981\u4ece\u4e2d\u5220\u9664\u6570\u636e\u7684\u8868\u3002\u4f8b\u5982\uff1a USE my_database; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 3\uff1a\u4f7f\u7528 DELETE \u8bed\u53e5 \u8981\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u8bf7\u4f7f\u7528 DELETE \u8bed\u53e5\uff0c\u4e0d\u6307\u5b9a\u4efb\u4f55\u6761\u4ef6\uff1a DELETE FROM my_table; \u767b\u5f55\u540e\u590d\u5236 \u8981\u5220\u9664\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u884c\uff0c\u8bf7\u5728 DELETE \u8bed\u53e5\u4e2d\u4f7f\u7528 WHERE \u5b50\u53e5\u3002\u4f8b\u5982\uff1a DELETE FROM my_table WHERE id > 10; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 4\uff1a\u63d0\u4ea4\u66f4\u6539 […]<\/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-6392","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6392","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=6392"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6392\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}