{"id":199716,"date":"2025-05-06T10:33:04","date_gmt":"2025-05-06T02:33:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199716\/"},"modified":"2025-05-06T10:33:04","modified_gmt":"2025-05-06T02:33:04","slug":"mysql%e5%af%b9%e7%ae%a1%e7%90%86%e6%95%b0%e6%8d%ae%e7%9a%84%e5%bd%b1%e5%93%8d%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199716\/","title":{"rendered":"MySQL\u5bf9\u7ba1\u7406\u6570\u636e\u7684\u5f71\u54cd\u603b\u7ed3"},"content":{"rendered":"

<\/b> <\/p>\n

MySQL\u5bf9\u7ba1\u7406\u6570\u636e\u7684\u5f71\u54cd\u603b\u7ed3<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u4e3b\u673a\u5b9d\u8d1d\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

MySQL\u6574\u7406\u5bf9\u6570\u636e\u7ba1\u7406\u7684\u5f71\u54cd<\/p>\n

MySQL\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7f51\u7ad9\u548c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5728\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\uff0c\u6570\u636e\u6574\u7406\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6b65\u9aa4\uff0c\u5b83\u6d89\u53ca\u5bf9\u6570\u636e\u7684\u5b58\u50a8\u3001\u68c0\u7d22\u3001\u66f4\u65b0\u548c\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u63a2\u8ba8MySQL\u6574\u7406\u5bf9\u6570\u636e\u7ba1\u7406\u7684\u5f71\u54cd\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793aMySQL\u5728\u6570\u636e\u6574\u7406\u65b9\u9762\u7684\u4f5c\u7528\u3002<\/p>\n

MySQL\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u7075\u6d3b\u7684\u64cd\u4f5c\u65b9\u5f0f\uff0c\u4f7f\u5f97\u6570\u636e\u7ba1\u7406\u53d8\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u7b80\u4fbf\u3002\u5728\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\uff0c\u6570\u636e\u6574\u7406\u5305\u542b\u591a\u4e2a\u65b9\u9762\uff0c\u6bd4\u5982\u6570\u636e\u7684\u63d2\u5165\u3001\u67e5\u8be2\u3001\u66f4\u65b0\u548c\u5220\u9664\u7b49\u64cd\u4f5c\uff0c\u800cMySQL\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7528\u4e8e\u5904\u7406\u8fd9\u4e9b\u64cd\u4f5c\u7684SQL\u8bed\u53e5\u3002<\/p>\n

\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0bMySQL\u4e2d\u5982\u4f55\u8fdb\u884c\u6570\u636e\u7684\u63d2\u5165\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5411\u4e00\u4e2a\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u65b0\u8bb0\u5f55\uff1a<\/p>\n

INSERT INTO users (username, email) VALUES ('john_doe', 'john_doe@example.com');<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528INSERT INTO\u8bed\u53e5\u5c06\u4e00\u6761\u65b0\u8bb0\u5f55\u63d2\u5165\u5230\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\uff0c\u5e76\u6307\u5b9a\u4e86\u8981\u63d2\u5165\u7684\u5b57\u6bb5\u548c\u5bf9\u5e94\u7684\u503c\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u7b80\u5355\u7684\u64cd\u4f5c\u5411\u6570\u636e\u5e93\u4e2d\u6dfb\u52a0\u65b0\u7684\u6570\u636e\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0bMySQL\u4e2d\u5982\u4f55\u8fdb\u884c\u6570\u636e\u7684\u67e5\u8be2\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u67e5\u8be2\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u7684\u7528\u6237\u540d\u548c\u90ae\u7bb1\uff1a<\/p>\n
SELECT username, email FROM users;<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528SELECT\u8bed\u53e5\u4ece\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u68c0\u7d22\u7528\u6237\u540d\u548c\u90ae\u7bb1\u5b57\u6bb5\u7684\u6570\u503c\u3002\u901a\u8fc7\u8fd9\u6837\u7684\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n
\u9664\u4e86\u6570\u636e\u7684\u63d2\u5165\u548c\u67e5\u8be2\uff0cMySQL\u8fd8\u63d0\u4f9b\u4e86\u66f4\u65b0\u6570\u636e\u7684\u529f\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u66f4\u65b0\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u67d0\u4e2a\u8bb0\u5f55\u7684\u90ae\u7bb1\u5730\u5740\uff1a<\/p>\n
UPDATE users SET email = 'updated_email@example.com' WHERE username = 'john_doe';<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528UPDATE\u8bed\u53e5\u5c06\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u7528\u6237\u540d\u4e3a\u201cjohn_doe\u201d\u7684\u8bb0\u5f55\u7684\u90ae\u7bb1\u5730\u5740\u66f4\u65b0\u4e3a\u201cupdated_email@example.com\u201d\u3002\u8fd9\u79cd\u64cd\u4f5c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53ca\u65f6\u66f4\u65b0\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002<\/p>\n
\u6700\u540e\uff0cMySQL\u8fd8\u63d0\u4f9b\u4e86\u5220\u9664\u6570\u636e\u7684\u529f\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5220\u9664\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u7528\u6237\u540d\u4e3a\u201cjohn_doe\u201d\u7684\u8bb0\u5f55\uff1a<\/p>\n
DELETE FROM users WHERE username = 'john_doe';<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528DELETE\u8bed\u53e5\u4ece\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u5220\u9664\u7528\u6237\u540d\u4e3a\u201cjohn_doe\u201d\u7684\u8bb0\u5f55\u3002\u8fd9\u79cd\u64cd\u4f5c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6e05\u7406\u6570\u636e\u5e93\u4e2d\u4e0d\u9700\u8981\u7684\u6570\u636e\u3002<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cMySQL\u5728\u6570\u636e\u7ba1\u7406\u4e2d\u8d77\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u4f7f\u7528MySQL\u63d0\u4f9b\u7684SQL\u8bed\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u7684\u63d2\u5165\u3001\u67e5\u8be2\u3001\u66f4\u65b0\u548c\u5220\u9664\u7b49\u64cd\u4f5c\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u6574\u7406\u548c\u7ba1\u7406\u7684\u76ee\u7684\u3002MySQL\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u529f\u80fd\u4f7f\u5f97\u6570\u636e\u7ba1\u7406\u53d8\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u4fbf\u6377\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\uff0c\u8ba9\u5927\u5bb6\u66f4\u597d\u5730\u7406\u89e3MySQL\u5728\u6570\u636e\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aMySQL\u5bf9\u7ba1\u7406\u6570\u636e\u7684\u5f71\u54cd\u603b\u7ed3\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL\u5bf9\u7ba1\u7406\u6570\u636e\u7684\u5f71\u54cd\u603b\u7ed3 ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199716","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199716","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199716"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199716\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}