{"id":76542,"date":"2024-10-16T07:37:17","date_gmt":"2024-10-15T23:37:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76542\/"},"modified":"2024-10-16T07:37:17","modified_gmt":"2024-10-15T23:37:17","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%bf%85%e5%82%99%e5%b8%b8%e8%ad%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76542\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u958b\u767c\u5fc5\u5099\u5e38\u8b58"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%bf%85%e5%82%99%e5%b8%b8%e8%ad%98-KNPWjIUbPx\">MySQL\u6578\u64da\u5eab\u958b\u767c\u5fc5\u5099\u5e38\u8b58<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0cMySQL\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u958b\u767c\u7684\u5e7e\u500b\u95dc\u9375\u5e38\u8b58\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-KNPWjIUbPx\">1. \u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb<\/h2>\n<p>\u5728\u958b\u59cb\u958b\u767c\u4e4b\u524d\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d50\u69cb\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002MySQL\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u884c\u4ee3\u8868\u6578\u64da\u8a18\u9304\uff0c\u800c\u5217\u5247\u4ee3\u8868\u6578\u64da\u7684\u5c6c\u6027\u3002\u8a2d\u8a08\u826f\u597d\u7684\u6578\u64da\u5eab\u7d50\u69cb\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u4e26\u6e1b\u5c11\u6578\u64da\u5197\u9918\u3002<\/p>\n<h3 id=\"1-1-%e6%ad%a3%e8%a6%8f%e5%8c%96-KNPWjIUbPx\">1.1 \u6b63\u898f\u5316<\/h3>\n<p>\u6b63\u898f\u5316\u662f\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u7684\u4e00\u500b\u91cd\u8981\u6b65\u9a5f\uff0c\u65e8\u5728\u6d88\u9664\u6578\u64da\u5197\u9918\u548c\u4e0d\u4e00\u81f4\u6027\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u8868\u4e2d\uff0c\u4e26\u4f7f\u7528\u5916\u9375\u4f86\u5efa\u7acb\u95dc\u806f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"2-sql%e8%aa%9e%e8%a8%80%e5%9f%ba%e7%a4%8e-KNPWjIUbPx\">2. SQL\u8a9e\u8a00\u57fa\u790e<\/h2>\n<p>MySQL\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u719f\u6089SQL\u7684\u57fa\u672c\u8a9e\u6cd5\u662f\u958b\u767c\u8005\u5fc5\u5099\u7684\u6280\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u8868\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(255) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (username, password) VALUES ('user1', 'password123');\n\n-- \u67e5\u8a62\u6578\u64da\nSELECT * FROM users WHERE username = 'user1';\n\n-- \u66f4\u65b0\u6578\u64da\nUPDATE users SET password = 'newpassword' WHERE username = 'user1';\n\n-- \u522a\u9664\u6578\u64da\nDELETE FROM users WHERE username = 'user1';\n<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-KNPWjIUbPx\">3. \u6578\u64da\u5eab\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316MySQL\u6027\u80fd\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u7de9\u5b58\uff1a<\/strong>\u5229\u7528MySQL\u7684\u67e5\u8a62\u7de9\u5b58\u529f\u80fd\uff0c\u6e1b\u5c11\u91cd\u8907\u67e5\u8a62\u7684\u958b\u92b7\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e6%80%a7-KNPWjIUbPx\">4. \u6578\u64da\u5b89\u5168\u6027<\/h2>\n<p>\u6578\u64da\u5b89\u5168\u6027\u662f\u6578\u64da\u5eab\u958b\u767c\u4e2d\u4e0d\u53ef\u5ffd\u8996\u7684\u4e00\u74b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4fdd\u8b77\u6578\u64da\u7684\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6236\u6b0a\u9650\u7ba1\u7406\uff1a<\/strong>\u70ba\u4e0d\u540c\u7528\u6236\u8a2d\u7f6e\u4e0d\u540c\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u52a0\u5bc6\uff1a<\/strong>\u5c0d\u654f\u611f\u6578\u64da\u9032\u884c\u52a0\u5bc6\u5b58\u5132\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%b6%ad%e8%ad%b7-KNPWjIUbPx\">5. \u6578\u64da\u5eab\u7684\u7dad\u8b77<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u5176\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<li>\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li>\u66f4\u65b0MySQL\u7248\u672c\uff0c\u7372\u53d6\u6700\u65b0\u7684\u529f\u80fd\u548c\u5b89\u5168\u4fee\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KNPWjIUbPx\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1MySQL\u6578\u64da\u5eab\u958b\u767c\u7684\u57fa\u672c\u5e38\u8b58\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u5f9e\u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb\u5230\u6027\u80fd\u512a\u5316\uff0c\u518d\u5230\u6578\u64da\u5b89\u5168\u6027\u548c\u7dad\u8b77\uff0c\u9019\u4e9b\u77e5\u8b58\u5c07\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u4f7f\u7528\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\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\uff0c\u78ba\u4fdd\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1MySQL\u6578\u64da\u5eab\u958b\u767c\u7684\u5fc5\u5099\u5e38\u8b58\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\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-76542","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76542","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=76542"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76542\/revisions"}],"predecessor-version":[{"id":76543,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76542\/revisions\/76543"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}