{"id":200056,"date":"2025-05-06T08:30:33","date_gmt":"2025-05-06T00:30:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200056\/"},"modified":"2025-05-06T08:30:33","modified_gmt":"2025-05-06T00:30:33","slug":"%e5%88%86%e6%9e%90mysql%e4%b8%ad%e6%97%b6%e9%97%b4%e6%88%b3%e7%9a%84%e7%94%a8%e9%80%94%e5%92%8c%e5%ae%9e%e9%99%85%e5%ba%94%e7%94%a8%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200056\/","title":{"rendered":"\u5206\u6790MySQL\u4e2d\u65f6\u95f4\u6233\u7684\u7528\u9014\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5206\u6790MySQL\u4e2d\u65f6\u95f4\u6233\u7684\u7528\u9014\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>MySQL\u65f6\u95f4\u6233\u7684\u4f5c\u7528\u53ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5206\u6790<\/p>\n<p>\u65f6\u95f4\u6233\uff08Timestamp\uff09\u5728MySQL\u6570\u636e\u5e93\u4e2d\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u4e14\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3002\u5b83\u80fd\u591f\u8bb0\u5f55\u6570\u636e\u7684\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u7b49\u5173\u952e\u4fe1\u606f\uff0c\u5bf9\u4e8e\u6570\u636e\u7684\u8ffd\u8e2a\u3001\u5206\u6790\u548c\u7ba1\u7406\u90fd\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u65f6\u95f4\u6233\u7684\u4f5c\u7528\uff0c\u5e76\u901a\u8fc7\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5206\u6790\u5176\u5177\u4f53\u7528\u6cd5\uff0c\u540c\u65f6\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u4ee5\u4fbf\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n<h3>\u4e00\u3001MySQL\u65f6\u95f4\u6233\u7684\u4f5c\u7528<\/h3>\n<ol>\n<li>\u8bb0\u5f55\u6570\u636e\u7684\u521b\u5efa\u65f6\u95f4\u548c\u4fee\u6539\u65f6\u95f4\uff1a\u4f7f\u7528\u65f6\u95f4\u6233\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bb0\u5f55\u6570\u636e\u7684\u521b\u5efa\u65f6\u95f4\u548c\u6700\u8fd1\u4e00\u6b21\u4fee\u6539\u65f6\u95f4\uff0c\u6709\u52a9\u4e8e\u8ddf\u8e2a\u6570\u636e\u7684\u5386\u53f2\u4fe1\u606f\u3002<\/li>\n<li>\u6570\u636e\u7248\u672c\u63a7\u5236\uff1a\u65f6\u95f4\u6233\u53ef\u4ee5\u7528\u4e8e\u7248\u672c\u63a7\u5236\uff0c\u901a\u8fc7\u6bd4\u8f83\u4e0d\u540c\u7248\u672c\u7684\u65f6\u95f4\u6233\u53ef\u4ee5\u786e\u5b9a\u6570\u636e\u7684\u53d8\u66f4\u60c5\u51b5\u3002<\/li>\n<li>\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\uff1a\u65f6\u95f4\u6233\u53ef\u4ee5\u5e2e\u52a9\u786e\u5b9a\u5907\u4efd\u6570\u636e\u7684\u65f6\u95f4\u70b9\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u8fdb\u884c\u6570\u636e\u6062\u590d\u3002<\/li>\n<\/ol>\n<h3>\u4e8c\u3001\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5206\u6790<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u8868user\uff0c\u5176\u4e2d\u5305\u542b\u7528\u6237\u7684ID\u3001\u59d3\u540d\u548c\u521b\u5efa\u65f6\u95f4\u7b49\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u65f6\u95f4\u6233\u6765\u8bb0\u5f55\u6570\u636e\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u5e76\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8fdb\u884c\u76f8\u5173\u64cd\u4f5c\u3002<\/p>\n<h4>1. \u521b\u5efa\u7528\u6237\u8868<\/h4>\n<pre>CREATE TABLE user (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(50) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0ccreated_at\u5b57\u6bb5\u4f7f\u7528\u4e86\u65f6\u95f4\u6233\u7c7b\u578b\uff0c\u5e76\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u503c\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n<h4>2. \u63d2\u5165\u6570\u636e<\/h4>\n<pre>INSERT INTO user (name) VALUES ('Alice');\nINSERT INTO user (name) VALUES ('Bob');<\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u5411\u7528\u6237\u8868\u4e2d\u63d2\u5165\u4e86\u4e24\u6761\u6570\u636e\uff0c\u5e76\u81ea\u52a8\u8bb0\u5f55\u4e86\u8fd9\u4e24\u6761\u6570\u636e\u7684\u521b\u5efa\u65f6\u95f4\u3002<\/p>\n<h4>3. \u67e5\u8be2\u6570\u636e<\/h4>\n<pre>SELECT * FROM user;<\/pre>\n<p>\u6267\u884c\u4ee5\u4e0a\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u4ee5\u67e5\u770b\u7528\u6237\u8868\u4e2d\u7684\u6240\u6709\u6570\u636e\uff0c\u5305\u62ec\u6bcf\u6761\u6570\u636e\u7684ID\u3001\u59d3\u540d\u548c\u521b\u5efa\u65f6\u95f4\u7b49\u4fe1\u606f\u3002<\/p>\n<h4>4. \u4fee\u6539\u6570\u636e<\/h4>\n<pre>UPDATE user SET name = 'Charlie' WHERE id = 1;<\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u4fee\u6539\u4e86ID\u4e3a1\u7684\u7528\u6237\u6570\u636e\uff0c\u5e76\u7cfb\u7edf\u81ea\u52a8\u66f4\u65b0\u4e86\u8be5\u6570\u636e\u7684\u4fee\u6539\u65f6\u95f4\u3002<\/p>\n<h3>\u4e09\u3001\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6848\u4f8b\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230MySQL\u65f6\u95f4\u6233\u7684\u4f5c\u7528\u53ca\u5b9e\u9645\u5e94\u7528\u60c5\u51b5\u3002\u65f6\u95f4\u6233\u5728\u6570\u636e\u5e93\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ba1\u7406\u6570\u636e\u3001\u8ffd\u8e2a\u53d8\u66f4\u3001\u8fdb\u884c\u7248\u672c\u63a7\u5236\u7b49\u64cd\u4f5c\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5408\u7406\u5730\u8fd0\u7528\u65f6\u95f4\u6233\u80fd\u591f\u63d0\u9ad8\u6570\u636e\u7ba1\u7406\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cMySQL\u65f6\u95f4\u6233\u7684\u4f5c\u7528\u4e0d\u4ec5\u4ec5\u5c40\u9650\u4e8e\u8bb0\u5f55\u65f6\u95f4\u4fe1\u606f\uff0c\u66f4\u91cd\u8981\u7684\u662f\u5b83\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u65b9\u4fbf\u5feb\u6377\u7684\u6570\u636e\u7ba1\u7406\u65b9\u5f0f\u3002\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u80fd\u591f\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528MySQL\u65f6\u95f4\u6233\u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5206\u6790MySQL\u4e2d\u65f6\u95f4\u6233\u7684\u7528\u9014\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790MySQL\u4e2d\u65f6\u95f4\u6233\u7684\u7528\u9014\u548c\u5b9e&#46;&#46;&#46;<\/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-200056","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200056","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=200056"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200056\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}