{"id":61,"date":"2025-06-30T18:00:53","date_gmt":"2025-06-30T10:00:53","guid":{"rendered":"https:\/\/www.idcyz.com\/blog\/?p=61"},"modified":"2025-06-30T18:00:53","modified_gmt":"2025-06-30T10:00:53","slug":"%e8%bd%bb%e6%9d%be%e6%8e%8c%e6%8f%a1mysql%e6%95%b0%e6%8d%ae%e8%a1%a8%e5%88%a0%e9%99%a4%e6%8a%80%e5%b7%a7%ef%bc%8c%e5%bf%ab%e9%80%9f%e6%b8%85%e7%90%86%e6%95%b0%e6%8d%ae%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.idcyz.com\/blog\/61.html","title":{"rendered":"\u8f7b\u677e\u638c\u63e1MySQL\u6570\u636e\u8868\u5220\u9664\u6280\u5de7\uff0c\u5feb\u901f\u6e05\u7406\u6570\u636e\uff01"},"content":{"rendered":"

\"\u8f7b\u677e\u638c\u63e1MySQL\u6570\u636e\u8868\u5220\u9664\u6280\u5de7\uff0c\u5feb\u901f\u6e05\u7406\u6570\u636e\uff01\"<\/p>\n

\u4e00\u3001MySQL\u4e2d\u5220\u9664\u6570\u636e\u7684\u57fa\u672c\u65b9\u6cd5<\/h3>\n<\/p>\n

MySQL\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5220\u9664\u6570\u636e\u8868\u5185\u7684\u6570\u636e\uff0c\u901a\u8fc7\u5408\u9002\u7684SQL\u547d\u4ee4\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u8fd9\u4e00\u8fc7\u7a0b\u3002\u5728\u5220\u9664\u6570\u636e\u65f6\uff0c\u6700\u5e38\u7528\u7684\u547d\u4ee4\u662fDELETE\uff0c\u5177\u6709\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5220\u9664\u6570\u636e\u8868\u5185\u7684\u6240\u6709\u6570\u636e\uff1a<\/p>\n<\/p>\n

DELETE FROM \u8868\u540d;<\/code><\/pre>\n<\/p>\n
\u8fd9\u6761\u547d\u4ee4\u4f1a\u5c06\u6307\u5b9a\u8868\u4e2d\u7684\u6240\u6709\u8bb0\u5f55\u5220\u9664\uff0c\u4f46\u8868\u7ed3\u6784\u4f9d\u7136\u4fdd\u7559\u3002<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u6309\u7167\u6761\u4ef6\u5220\u9664\u6570\u636e\uff0c\u53ef\u4ee5\u5728DELETE\u8bed\u53e5\u4e2d\u6dfb\u52a0WHERE\u5b50\u53e5\u3002\u4f8b\u5982\uff0c\u5220\u9664\u7b26\u5408\u67d0\u4e2a\u6761\u4ef6\u7684\u884c\uff1a<\/p>\n<\/p>\n
DELETE FROM \u8868\u540d WHERE \u6761\u4ef6;<\/code><\/pre>\n<\/p>\n
\u8fd9\u786e\u4fdd\u4e86\u53ea\u6709\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab\u5220\u9664\uff0c\u6709\u6548\u9632\u6b62\u4e86\u6570\u636e\u9519\u8bef\u7684\u4e22\u5931\u3002<\/p>\n<\/p>\n
\u5728\u5220\u9664\u6570\u636e\u65f6\u8fd8\u9700\u8981\u6ce8\u610f\uff0c\u5982\u679c\u4e0d\u4f7f\u7528WHERE\u5b50\u53e5\u5c06\u4f1a\u6e05\u7a7a\u6574\u4e2a\u8868\uff0c\u66f4\u9700\u8981\u8c28\u614e\u64cd\u4f5c\uff0c\u6700\u597d\u5728\u5220\u9664\u524d\u5907\u4efd\u6570\u636e\u3002<\/p>\n<\/p>\n
\n
\u4e8c\u3001\u4f7f\u7528TRUNCATE\u6e05\u7a7a\u6570\u636e\u8868<\/h3>\n<\/p>\n
\u9664\u4e86DELETE\uff0cMySQL\u8fd8\u63d0\u4f9b\u4e86TRUNCATE\u547d\u4ee4\u6765\u6e05\u7a7a\u6570\u636e\u8868\uff0cTRUNCATE\u76f8\u5bf9DELETE\u6765\u8bf4\uff0c\u6267\u884c\u901f\u5ea6\u66f4\u5feb\uff0c\u7279\u522b\u662f\u5f53\u6570\u636e\u91cf\u8f83\u5927\u65f6\u3002<\/p>\n<\/p>\n
\u4f7f\u7528TRUNCATE\u547d\u4ee4\u7684\u57fa\u672c\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528TRUNCATE\u4f1a\u7acb\u5373\u5220\u9664\u6240\u6709\u8bb0\u5f55\uff0c\u5e76\u4e14\u8fd9\u4e2a\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u6267\u884c\u540e\u65e0\u6cd5\u6062\u590d\u3002<\/p>\n<\/p>\n
\u53e6\u5916\uff0cTRUNCATE\u4f1a\u91cd\u7f6eAUTO_INCREMENT\u8ba1\u6570\u5668\uff0c\u8fd9\u4e00\u70b9\u5728\u9700\u8981\u91cd\u65b0\u63d2\u5165\u6570\u636e\u65f6\uff0c\u662f\u4e00\u4e2a\u6709\u5229\u7684\u56e0\u7d20\u3002<\/p>\n<\/p>\n
\u5982\u679c\u53ea\u662f\u60f3\u5220\u9664\u90e8\u5206\u6570\u636e\u800c\u4fdd\u7559\u5176\u4f59\u6570\u636e\uff0c\u8fd8\u662f\u5efa\u8bae\u4f7f\u7528DELETE\u547d\u4ee4\u3002<\/p>\n<\/p>\n
\n
\u4e09\u3001\u7ed3\u5408\u4f7f\u7528DELETE\u548cWHERE\u6761\u4ef6<\/h3>\n<\/p>\n
\u5728\u5bf9\u6570\u636e\u8868\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\u65f6\uff0c\u4f7f\u7528WHERE\u6761\u4ef6\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\uff0c\u5b83\u80fd\u6709\u6548\u4fdd\u8bc1\u6211\u4eec\u5220\u9664\u7684\u662f\u6b63\u786e\u7684\u6570\u636e\u3002\u786e\u4fdd\u5728\u6267\u884c\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\u4ed4\u7ec6\u68c0\u67e5\u6761\u4ef6\uff0c\u4ee5\u514d\u8bef\u5220\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u5220\u9664\u67d0\u4e2a\u7528\u6237\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
DELETE FROM \u7528\u6237\u8868 WHERE \u7528\u6237ID = 1;<\/code><\/pre>\n<\/p>\n
\u8be5\u547d\u4ee4\u4ec5\u4f1a\u5220\u9664\u7528\u6237ID\u4e3a1\u7684\u8bb0\u5f55\uff0c\u5176\u4ed6\u8bb0\u5f55\u5c06\u4fdd\u6301\u5b8c\u6574\u3002<\/p>\n<\/p>\n
\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u5efa\u8bae\u5728\u6267\u884c\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\u5148\u8fdb\u884cSELECT\u67e5\u8be2\uff0c\u786e\u8ba4\u5373\u5c06\u5220\u9664\u7684\u6570\u636e\u884c\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n
\n
\u56db\u3001\u5982\u4f55\u5907\u4efd\u6570\u636e\u4ee5\u9632\u4e22\u5931<\/h3>\n<\/p>\n
\u5728\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u5220\u9664\u6216\u6e05\u7a7a\u8868\u4e4b\u524d\uff0c\u5907\u4efd\u6570\u636e\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528MySQL\u7684mysqldump\u547d\u4ee4\u5bf9\u6570\u636e\u8fdb\u884c\u5907\u4efd\u3002<\/p>\n<\/p>\n
\u5907\u4efd\u7684\u547d\u4ee4\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
mysqldump -u \u7528\u6237\u540d -p \u6570\u636e\u5e93\u540d > \u5907\u4efd\u6587\u4ef6.sql<\/code><\/pre>\n<\/p>\n
\u8fd0\u884c\u6b64\u547d\u4ee4\u540e\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u8f93\u5165\u5bc6\u7801\uff0c\u5e76\u5c06\u6307\u5b9a\u6570\u636e\u5e93\u7684\u5185\u5bb9\u5907\u4efd\u5230.sql\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
\u5728\u9700\u8981\u65f6\uff0c\u8fd9\u4e2a\u5907\u4efd\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u6062\u590d\u6570\u636e\uff1a<\/p>\n<\/p>\n
mysql -u \u7528\u6237\u540d -p \u6570\u636e\u5e93\u540d < \u5907\u4efd\u6587\u4ef6.sql<\/code><\/pre>\n<\/p>\n
\u8fd9\u6837\uff0c\u5373\u4f7f\u5728\u6267\u884c\u4e86\u5220\u9664\u64cd\u4f5c\u4e4b\u540e\uff0c\u4e5f\u80fd\u591f\u901a\u8fc7\u5907\u4efd\u5185\u5bb9\u8fdb\u884c\u6570\u636e\u7684\u6062\u590d\u3002<\/p>\n<\/p>\n
\n
\u4e94\u3001\u64cd\u4f5c\u524d\u7684\u786e\u8ba4\u548c\u63d0\u9192<\/h3>\n<\/p>\n
\u5728\u5220\u9664\u6570\u636e\u4e4b\u524d\uff0c\u5982\u4f55\u786e\u4fdd\u5220\u9664\u7684\u8bb0\u5f55\u662f\u6211\u60f3\u8981\u7684\uff1f<\/b>\u53ef\u4ee5\u4f7f\u7528SELECT\u67e5\u8be2\u8bed\u53e5\u6765\u67e5\u770b\u5373\u5c06\u5220\u9664\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\uff1a<\/p>\n<\/p>\n
SELECT * FROM \u8868\u540d WHERE \u6761\u4ef6;<\/code><\/pre>\n<\/p>\n
\u8fd0\u884c\u8be5\u547d\u4ee4\u53ef\u4ee5\u5148\u67e5\u770b\u7b26\u5408\u6761\u4ef6\u7684\u6240\u6709\u8bb0\u5f55\uff0c\u786e\u4fdd\u5220\u9664\u64cd\u4f5c\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n
\u4f7f\u7528DELETE\u548cTRUNCATE\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/b>DELETE\u547d\u4ee4\u5220\u9664\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u8bb0\u5f55\u800c\u4e0d\u5f71\u54cd\u8868\u7ed3\u6784\uff0c\u4e14\u53ef\u4ee5\u9010\u884c\u5220\u9664\u6bcf\u4e00\u6761\u8bb0\u5f55\uff1b\u800cTRUNCATE\u547d\u4ee4\u5219\u4f1a\u4e00\u53e3\u6c14\u5220\u9664\u6240\u6709\u8bb0\u5f55\uff0c\u4e14\u91cd\u7f6e\u8868\u7684\u72b6\u6001\uff0c\u6548\u7387\u66f4\u9ad8\uff0c\u4f46\u64cd\u4f5c\u4e0d\u53ef\u56de\u6eda\u3002<\/p>\n<\/p>\n
\u5728\u5220\u9664\u6570\u636e\u540e\uff0c\u5982\u4f55\u786e\u4fdd\u6570\u636e\u65e0\u6cd5\u6062\u590d\uff1f<\/b>\u4f7f\u7528TRUNCATE\u8868\u540e\uff0c\u7531\u4e8e\u5176\u64cd\u4f5c\u6027\u8d28\uff0c\u6570\u636e\u65e0\u6cd5\u6062\u590d\u3002\u5982\u679c\u4f7f\u7528DELETE\uff0c\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u63d0\u4ea4\u540c\u65f6\u53ef\u5728\u5907\u4efd\u540e\u518d\u6267\u884c\u64cd\u4f5c\uff0c\u8fd9\u6837\u624d\u80fd\u6709\u4e07\u65e0\u4e00\u5931\u7684\u4fdd\u969c\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001MySQL\u4e2d\u5220\u9664\u6570\u636e\u7684\u57fa\u672c\u65b9\u6cd5 MySQL\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5220\u9664\u6570\u636e\u8868\u5185\u7684\u6570\u636e\uff0c\u901a\u8fc7\u5408\u9002\u7684SQL\u547d\u4ee4\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u8fd9\u4e00\u8fc7\u7a0b\u3002\u5728\u5220\u9664\u6570\u636e\u65f6\uff0c\u6700\u5e38\u7528\u7684\u547d\u4ee4\u662fDELETE\uff0c\u5177\u6709\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u7684\u529f\u80fd\u3002 \u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5220\u9664\u6570\u636e\u8868\u5185\u7684\u6240\u6709…<\/p>\n","protected":false},"author":1,"featured_media":62,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[37,36,38],"topic":[],"class_list":["post-61","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiushu","tag-delete","tag-36","tag-38"],"_links":{"self":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":1,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/61\/revisions"}],"predecessor-version":[{"id":64,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/61\/revisions\/64"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/media\/62"}],"wp:attachment":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/media?parent=61"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/categories?post=61"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/tags?post=61"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/topic?post=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}