{"id":76304,"date":"2024-10-16T05:33:15","date_gmt":"2024-10-15T21:33:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76304\/"},"modified":"2024-10-16T05:33:16","modified_gmt":"2024-10-15T21:33:16","slug":"mysql%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e6%96%b9%e6%b3%95%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76304\/","title":{"rendered":"MySQL\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u65b9\u6cd5\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"mysql%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e6%96%b9%e6%b3%95%e4%bb%8b%e7%b4%b9-SZUKlnsxuX\">MySQL\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u65b9\u6cd5\u4ecb\u7d39<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u689d\u8a18\u9304\u7684\u60c5\u6cc1\u4e0b\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728MySQL\u4e2d\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%ef%bc%9f-SZUKlnsxuX\">\u4ec0\u9ebc\u662f\u81ea\u589e\u5b57\u6bb5\uff1f<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u3002\u7576\u65b0\u8a18\u9304\u88ab\u63d2\u5165\u5230\u6578\u64da\u8868\u4e2d\u6642\uff0c\u81ea\u589e\u5b57\u6bb5\u7684\u503c\u6703\u81ea\u52d5\u589e\u52a0\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002\u9019\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u6e1b\u5c11\u4e86\u624b\u52d5\u7ba1\u7406\u552f\u4e00\u6a19\u8b58\u7b26\u7684\u9700\u8981\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5-SZUKlnsxuX\">\u5982\u4f55\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-SZUKlnsxuX\">1. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u8868\u3002\u5728\u5275\u5efa\u8868\u7684\u904e\u7a0b\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u6307\u5b9a\u67d0\u500b\u5b57\u6bb5\u70ba\u81ea\u589e\u5b57\u6bb5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c`id`\u5b57\u6bb5\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\u5b57\u6bb5\uff0c\u4e26\u4e14\u662f\u4e3b\u9375\u3002\u9019\u610f\u5473\u8457\u6bcf\u7576\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u6642\uff0c`id`\u7684\u503c\u6703\u81ea\u52d5\u589e\u52a0\u3002<\/p>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-SZUKlnsxuX\">2. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u7576\u6211\u5011\u63d2\u5165\u6578\u64da\u6642\uff0c\u4e0d\u9700\u8981\u70ba\u81ea\u589e\u5b57\u6bb5\u63d0\u4f9b\u503c\u3002MySQL\u6703\u81ea\u52d5\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('user1', 'user1@example.com');\nINSERT INTO users (username, email) VALUES ('user2', 'user2@example.com');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u53ea\u63d2\u5165\u4e86`username`\u548c`email`\u5b57\u6bb5\u7684\u503c\uff0c\u800c`id`\u5b57\u6bb5\u7684\u503c\u6703\u81ea\u52d5\u751f\u6210\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-SZUKlnsxuX\">3. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u6578\u64da\u8868\u4f86\u67e5\u770b\u81ea\u589e\u5b57\u6bb5\u7684\u503c\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u8a18\u9304\uff0c\u5305\u62ec\u81ea\u589e\u7684`id`\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SZUKlnsxuX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u81ea\u589e\u5b57\u6bb5\u5fc5\u9808\u662f\u6574\u6578\u985e\u578b\uff08\u5982INT\u3001BIGINT\u7b49\uff09\u3002<\/li>\n<li>\u6bcf\u500b\u6578\u64da\u8868\u53ea\u80fd\u6709\u4e00\u500b\u81ea\u589e\u5b57\u6bb5\u3002<\/li>\n<li>\u81ea\u589e\u5b57\u6bb5\u901a\u5e38\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u4f46\u9019\u4e0d\u662f\u5fc5\u9808\u7684\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u91cd\u7f6e\u81ea\u589e\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n<pre><code>ALTER TABLE users AUTO_INCREMENT = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u91cd\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u8d77\u59cb\u503c\u70ba1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SZUKlnsxuX\">\u7d50\u8ad6<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u5728MySQL\u4e2d\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u7ba1\u7406\u4e26\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002\u901a\u904e\u7c21\u55ae\u7684SQL\u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u8a2d\u7f6e\u548c\u4f7f\u7528\u81ea\u589e\u5b57\u6bb5\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u90fd\u80fd\u63d0\u4f9b\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684MySQL\u6578\u64da\u5eab\u3002Server.HK\u63d0\u4f9b\u9ad8\u6548\u80fd\u7684<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u81ea\u589e\u5b57\u6bb5\u7684\u8a2d\u7f6e\u65b9\u6cd5\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u5982\u4f55\u8f15\u9b06\u5275\u5efa\u81ea\u52d5\u589e\u9577\u7684\u6578\u64da\u5eab\u6b04\u4f4d\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-76304","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76304","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=76304"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76304\/revisions"}],"predecessor-version":[{"id":76305,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76304\/revisions\/76305"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}