{"id":174997,"date":"2024-11-08T01:36:24","date_gmt":"2024-11-07T17:36:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174997\/"},"modified":"2024-11-08T01:36:25","modified_gmt":"2024-11-07T17:36:25","slug":"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e5%92%8c%e6%81%a2%e5%be%a9%e8%a1%a8%e6%95%b8%e6%93%9a%e5%ba%abrolls-%e5%88%aa%e9%99%a4%e6%81%a2%e5%be%a9%e8%a1%a8%e6%95%b8%e6%93%9a%e5%ba%abrolls","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174997\/","title":{"rendered":"\u5982\u4f55\u522a\u9664\u548c\u6062\u5fa9\u8868\u6578\u64da\u5eabrolls (\u522a\u9664\u6062\u5fa9\u8868\u6578\u64da\u5eabrolls)"},"content":{"rendered":"

\u5982\u4f55\u522a\u9664\u548c\u6062\u5fa9\u8868\u6578\u64da\u5eabrolls (\u522a\u9664\u6062\u5fa9\u8868\u6578\u64da\u5eabrolls)<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u522a\u9664\u548c\u6062\u5fa9\u6578\u64da\u662f\u975e\u5e38\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u6578\u64da\u932f\u8aa4\u3001\u91cd\u8907\u6578\u64da\u9084\u662f\u5176\u4ed6\u539f\u56e0\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u522a\u9664\u548c\u6062\u5fa9\u8868\u4e2d\u7684\u6578\u64da\u90fd\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u522a\u9664\u548c\u6062\u5fa9\u6578\u64da\uff0c\u7279\u5225\u662f\u91dd\u5c0drolls\u7684\u64cd\u4f5c\u3002<\/p>\n

\u4e00\u3001\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n

\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u522a\u9664\u6578\u64da\u901a\u5e38\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u5be6\u73fe\u3002\u6700\u5e38\u898b\u7684\u522a\u9664\u64cd\u4f5c\u662f\u4f7f\u7528DELETE\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662fDELETE\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n

DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u4e26\u5e0c\u671b\u522a\u9664\u6240\u6709\u5e74\u9f61\u5c0f\u65bc18\u6b72\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
DELETE FROM users WHERE age < 18;<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u57f7\u884cDELETE\u64cd\u4f5c\u5f8c\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\uff0c\u56e0\u6b64\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u3002<\/p>\n
\u4e8c\u3001\u4f7f\u7528TRUNCATE\u522a\u9664\u6574\u500b\u8868\u7684\u6578\u64da<\/h2>\n
\u5982\u679c\u9700\u8981\u522a\u9664\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528TRUNCATE\u8a9e\u53e5\u3002TRUNCATE\u8a9e\u53e5\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u201cusers\u201d\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
TRUNCATE TABLE users;<\/code><\/pre>\n
TRUNCATE\u64cd\u4f5c\u6bd4DELETE\u66f4\u5feb\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u9010\u884c\u522a\u9664\u6578\u64da\uff0c\u800c\u662f\u76f4\u63a5\u91cb\u653e\u6574\u500b\u8868\u7684\u7a7a\u9593\u3002<\/p>\n
\u4e09\u3001\u6062\u5fa9\u522a\u9664\u7684\u6578\u64da<\/h2>\n
\u5728\u522a\u9664\u6578\u64da\u5f8c\uff0c\u82e5\u9700\u8981\u6062\u5fa9\uff0c\u9996\u5148\u8981\u770b\u6578\u64da\u5eab\u7684\u8a2d\u7f6e\u3002\u8a31\u591a\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u6062\u5fa9\u529f\u80fd\uff0c\u4f46\u5177\u9ad4\u65b9\u6cd5\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6062\u5fa9\u65b9\u6cd5\uff1a<\/p>\n
1. \u4f7f\u7528\u4e8b\u52d9\u56de\u6efe<\/h3>\n
\u5982\u679c\u5728\u4e8b\u52d9\u4e2d\u57f7\u884c\u4e86DELETE\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u547d\u4ee4\u4f86\u64a4\u92b7\u8a72\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662fROLLBACK\u7684\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n
BEGIN TRANSACTION;<\/code><\/pre>\n
DELETE FROM users WHERE age < 18;<\/code><\/pre>\n
ROLLBACK;<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6240\u6709\u5728\u4e8b\u52d9\u4e2d\u57f7\u884c\u7684\u64cd\u4f5c\u90fd\u5c07\u88ab\u64a4\u92b7\uff0c\u6578\u64da\u5c07\u6062\u5fa9\u5230\u4e8b\u52d9\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n
2. \u4f7f\u7528\u5099\u4efd\u6062\u5fa9<\/h3>\n
\u5982\u679c\u6c92\u6709\u4f7f\u7528\u4e8b\u52d9\uff0c\u5247\u9700\u8981\u4f9d\u8cf4\u6578\u64da\u5099\u4efd\u4f86\u6062\u5fa9\u6578\u64da\u3002\u5927\u591a\u6578\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u652f\u6301\u5b9a\u671f\u5099\u4efd\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u6578\u64da\u4e1f\u5931\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u6062\u5fa9\u3002\u6062\u5fa9\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n
    \n
  1. \u627e\u5230\u6700\u8fd1\u7684\u6578\u64da\u5099\u4efd\u3002<\/li>\n
  2. \u4f7f\u7528\u6578\u64da\u5eab\u63d0\u4f9b\u7684\u6062\u5fa9\u5de5\u5177\u6216\u547d\u4ee4\u4f86\u6062\u5fa9\u5099\u4efd\u3002<\/li>\n<\/ol>\n
    \u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6062\u5fa9\u5099\u4efd\uff1a<\/p>\n
    mysql -u \u7528\u6236\u540d -p \u6578\u64da\u5eab\u540d < \u5099\u4efd\u6587\u4ef6.sql<\/code><\/pre>\n
    \u56db\u3001\u7d50\u8ad6<\/h2>\n
    \u522a\u9664\u548c\u6062\u5fa9\u6578\u64da\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u7121\u8ad6\u662f\u4f7f\u7528DELETE\u9084\u662fTRUNCATE\uff0c\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u7684\u5f71\u97ff\u548c\u6062\u5fa9\u65b9\u6cd5\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5efa\u8b70\u5728\u9032\u884c\u4efb\u4f55\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u505a\u597d\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/p>\n
    \u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u6280\u8853\u652f\u6301\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u548c\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5b78\u7fd2\u5982\u4f55\u522a\u9664\u548c\u6062\u5fa9\u8868\u6578\u64da\u5eabrolls\uff0c\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u5de7\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u5b8c\u6574\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-174997","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=174997"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174997\/revisions"}],"predecessor-version":[{"id":174998,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174997\/revisions\/174998"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}