{"id":76742,"date":"2024-10-16T09:28:55","date_gmt":"2024-10-16T01:28:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76742\/"},"modified":"2024-10-16T09:28:55","modified_gmt":"2024-10-16T01:28:55","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%ad%e7%9a%84%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76742\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u4e3b\u9375\u7684\u6578\u64da\u985e\u578b\u4e2d\u7684\u932f\u8aa4"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%ad%e7%9a%84%e9%8c%af%e8%aa%a4-MXzfsdGBRo\">MySQL\u6578\u64da\u5eab\u4e3b\u9375\u7684\u6578\u64da\u985e\u578b\u4e2d\u7684\u932f\u8aa4<\/h1>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u4e3b\u9375\u4e0d\u50c5\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\u884c\uff0c\u9084\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MySQL\u4e2d\u5e38\u898b\u7684\u4e3b\u9375\u6578\u64da\u985e\u578b\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u5efa\u8b70\u3002<\/p>\n<h2 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id=\"1-%e4%bd%bf%e7%94%a8%e4%b8%8d%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-MXzfsdGBRo\">1. \u4f7f\u7528\u4e0d\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u9078\u64c7\u4e3b\u9375\u7684\u6578\u64da\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u6709\u6642\u6703\u9078\u64c7\u4e0d\u5408\u9069\u7684\u985e\u578b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u985e\u578b\uff08\u5982VARCHAR\uff09\u4f5c\u70ba\u4e3b\u9375\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u5b57\u7b26\u4e32\u6bd4\u8f03\u7684\u901f\u5ea6\u901a\u5e38\u6bd4\u6574\u6578\u6162\uff0c\u9019\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<pre><code>CREATE TABLE users (\n    user_id VARCHAR(255) PRIMARY KEY,\n    username VARCHAR(100)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528VARCHAR\u4f5c\u70ba\u4e3b\u9375\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u66f4\u597d\u7684\u9078\u64c7\u662f\u4f7f\u7528\u6574\u6578\u985e\u578b\uff0c\u5982INT\u6216BIGINT\u3002<\/p>\n<h3 id=\"2-%e5%bf%bd%e7%95%a5%e8%87%aa%e5%a2%9e%e5%b1%ac%e6%80%a7-MXzfsdGBRo\">2. \u5ffd\u7565\u81ea\u589e\u5c6c\u6027<\/h3>\n<p>\u5728\u8a2d\u8a08\u4e3b\u9375\u6642\uff0c\u958b\u767c\u8005\u6709\u6642\u6703\u5fd8\u8a18\u8a2d\u7f6e\u81ea\u589e\u5c6c\u6027\u3002\u81ea\u589e\u4e3b\u9375\u53ef\u4ee5\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684ID\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u624b\u52d5\u7ba1\u7406\u7684\u9ebb\u7169\u3002<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id INT AUTO_INCREMENT PRIMARY KEY,\n    order_date DATETIME\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0corder_id\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\uff0c\u9019\u6a23\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0cMySQL\u6703\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684order_id\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e8%a4%87%e5%90%88%e4%b8%bb%e9%8d%b5%e7%9a%84%e9%81%8e%e5%ba%a6%e8%a4%87%e9%9b%9c%e6%80%a7-MXzfsdGBRo\">3. \u4f7f\u7528\u8907\u5408\u4e3b\u9375\u7684\u904e\u5ea6\u8907\u96dc\u6027<\/h3>\n<p>\u96d6\u7136\u8907\u5408\u4e3b\u9375\uff08\u7531\u591a\u500b\u5217\u7d44\u6210\u7684\u4e3b\u9375\uff09\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u662f\u5fc5\u8981\u7684\uff0c\u4f46\u904e\u5ea6\u4f7f\u7528\u8907\u5408\u4e3b\u9375\u6703\u4f7f\u6578\u64da\u5eab\u8a2d\u8a08\u8b8a\u5f97\u8907\u96dc\uff0c\u4e26\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u61c9\u8a72\u8b39\u614e\u4f7f\u7528\uff0c\u4e26\u8003\u616e\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u55ae\u4e00\u4e3b\u9375\u4f86\u7c21\u5316\u8a2d\u8a08\u3002<\/p>\n<pre><code>CREATE TABLE product_orders (\n    product_id INT,\n    order_id INT,\n    PRIMARY KEY (product_id, order_id)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cproduct_orders\u8868\u4f7f\u7528\u4e86\u8907\u5408\u4e3b\u9375\uff0c\u9019\u53ef\u80fd\u6703\u4f7f\u67e5\u8a62\u8b8a\u5f97\u8907\u96dc\u3002\u8003\u616e\u4f7f\u7528\u55ae\u4e00\u4e3b\u9375\u4f86\u7c21\u5316\u8a2d\u8a08\u3002<\/p>\n<h2 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id=\"%e7%b8%bd%e7%b5%90-MXzfsdGBRo\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u907f\u514d\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u5982\u4f7f\u7528\u4e0d\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3001\u5ffd\u7565\u81ea\u589e\u5c6c\u6027\u548c\u904e\u5ea6\u4f7f\u7528\u8907\u5408\u4e3b\u9375\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u8a2d\u8a08\u51fa\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3002\u4e86\u89e3\u9019\u4e9b\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u4e3b\u9375\u4e2d\u5e38\u898b\u7684\u6578\u64da\u985e\u578b\u932f\u8aa4\u53ca\u5176\u5f71\u97ff\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u907f\u514d\u5e38\u898b\u9677\u9631\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-76742","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76742","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=76742"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76742\/revisions"}],"predecessor-version":[{"id":76743,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76742\/revisions\/76743"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}