{"id":76516,"date":"2024-10-16T07:22:17","date_gmt":"2024-10-15T23:22:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76516\/"},"modified":"2024-10-16T07:22:17","modified_gmt":"2024-10-15T23:22:17","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e7%9b%b8%e9%97%9c%e4%ba%8b%e5%8b%99%e7%b8%bd%e7%b5%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76516\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u548c\u76f8\u95dc\u4e8b\u52d9\u7e3d\u7d50"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e7%9b%b8%e9%97%9c%e4%ba%8b%e5%8b%99%e7%b8%bd%e7%b5%90-tIZdvtSdRX\">MySQL\u6578\u64da\u5eab\u548c\u76f8\u95dc\u4e8b\u52d9\u7e3d\u7d50<\/h1>\n<p>MySQL\u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5f9e\u5c0f\u578b\u7db2\u7ad9\u5230\u5927\u578b\u4f01\u696d\u7cfb\u7d71\u3002\u5b83\u4ee5\u5176\u9ad8\u6548\u6027\u3001\u53ef\u9760\u6027\u548c\u9748\u6d3b\u6027\u800c\u805e\u540d\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u3002\u672c\u6587\u5c07\u5c0dMySQL\u6578\u64da\u5eab\u53ca\u5176\u76f8\u95dc\u4e8b\u52d9\u9032\u884c\u7e3d\u7d50\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u904b\u4f5c\u539f\u7406\u548c\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-tIZdvtSdRX\">MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u662f\u7531\u591a\u500b\u8868\u7d44\u6210\u7684\uff0c\u6bcf\u500b\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u884c\u4ee3\u8868\u6578\u64da\u8a18\u9304\uff0c\u5217\u5247\u4ee3\u8868\u6578\u64da\u7684\u5c6c\u6027\u3002MySQL\u4f7f\u7528SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f86\u9032\u884c\u6578\u64da\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684MySQL\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u4e00\u500b\u540d\u70bausers\u7684\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', 'password1');\n\n-- \u67e5\u8a62\u6578\u64da\nSELECT * FROM users;\n<\/code><\/pre>\n<h2 id=\"mysql%e7%9a%84%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-tIZdvtSdRX\">MySQL\u7684\u4e8b\u52d9\u7ba1\u7406<\/h2>\n<p>\u4e8b\u52d9\u662f\u6307\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002MySQL\u652f\u6301ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u4e8b\u52d9\u7279\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u4e8b\u52d9\u7684\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n<pre><code>-- \u958b\u59cb\u4e8b\u52d9\nSTART TRANSACTION;\n\n-- \u57f7\u884c\u591a\u500b\u64cd\u4f5c\nUPDATE users SET password = 'newpassword' WHERE username = 'user1';\nDELETE FROM users WHERE username = 'user2';\n\n-- \u63d0\u4ea4\u4e8b\u52d9\nCOMMIT;\n\n-- \u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u56de\u6efe\u4e8b\u52d9\nROLLBACK;\n<\/code><\/pre>\n<h3 id=\"%e4%ba%8b%e5%8b%99%e7%9a%84%e7%89%b9%e6%80%a7-tIZdvtSdRX\">\u4e8b\u52d9\u7684\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u57f7\u884c\uff0c\u8981\u9ebc\u5168\u90e8\u4e0d\u57f7\u884c\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong>\u4e8b\u52d9\u57f7\u884c\u524d\u5f8c\uff0c\u6578\u64da\u5eab\u7684\u72c0\u614b\u5fc5\u9808\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff1a<\/strong>\u540c\u6642\u57f7\u884c\u7684\u4e8b\u52d9\u4e0d\u61c9\u76f8\u4e92\u5f71\u97ff\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\u4e00\u65e6\u4e8b\u52d9\u63d0\u4ea4\uff0c\u5c0d\u6578\u64da\u7684\u4fee\u6539\u5c07\u6c38\u4e45\u4fdd\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"mysql%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6-tIZdvtSdRX\">MySQL\u7684\u9396\u6a5f\u5236<\/h2>\n<p>\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0cMySQL\u4f7f\u7528\u9396\u6a5f\u5236\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u3002\u4e3b\u8981\u6709\u5169\u7a2e\u9396\uff1a<\/p>\n<ul>\n<li><strong>\u884c\u9396\uff1a<\/strong>\u53ea\u9396\u5b9a\u7279\u5b9a\u7684\u884c\uff0c\u5141\u8a31\u5176\u4ed6\u4e8b\u52d9\u8a2a\u554f\u5176\u4ed6\u884c\u3002<\/li>\n<li><strong>\u8868\u9396\uff1a<\/strong>\u9396\u5b9a\u6574\u500b\u8868\uff0c\u5176\u4ed6\u4e8b\u52d9\u7121\u6cd5\u8a2a\u554f\u8a72\u8868\u3002<\/li>\n<\/ul>\n<p>\u884c\u9396\u901a\u5e38\u6bd4\u8868\u9396\u66f4\u6709\u6548\uff0c\u56e0\u70ba\u5b83\u5141\u8a31\u66f4\u9ad8\u7684\u4e26\u767c\u6027\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u8868\u9396\u53ef\u80fd\u66f4\u7c21\u55ae\u4e14\u66f4\u9ad8\u6548\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-tIZdvtSdRX\">MySQL\u7684\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8MySQL\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\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\u547d\u4ee4\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\uff1a<\/strong>\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u53ef\u4ee5\u6e1b\u5c11\u5197\u9918\uff0c\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tIZdvtSdRX\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u9069\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u7406\u89e3\u5176\u57fa\u672c\u6982\u5ff5\u3001\u4e8b\u52d9\u7ba1\u7406\u3001\u9396\u6a5f\u5236\u53ca\u6027\u80fd\u512a\u5316\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528MySQL\u4f86\u69cb\u5efa\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u53ca\u5176\u76f8\u95dc\u4e8b\u52d9\uff0c\u7e3d\u7d50\u95dc\u9375\u6982\u5ff5\u3001\u529f\u80fd\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-76516","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76516","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=76516"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76516\/revisions"}],"predecessor-version":[{"id":76517,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76516\/revisions\/76517"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}