{"id":190610,"date":"2024-11-12T14:01:23","date_gmt":"2024-11-12T06:01:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190610\/"},"modified":"2024-11-12T14:01:24","modified_gmt":"2024-11-12T06:01:24","slug":"%e6%88%91%e5%80%91%e8%a9%b2%e5%a6%82%e4%bd%95%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190610\/","title":{"rendered":"\u6211\u5011\u8a72\u5982\u4f55\u8a2d\u8a08\u6578\u64da\u5eab(\u4e8c)"},"content":{"rendered":"<h1 id=\"%e6%88%91%e5%80%91%e8%a9%b2%e5%a6%82%e4%bd%95%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8c-rfzVhKxaIN\">\u6211\u5011\u8a72\u5982\u4f55\u8a2d\u8a08\u6578\u64da\u5eab(\u4e8c)<\/h1>\n<p>\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u57fa\u672c\u6982\u5ff5\u548c\u539f\u5247\u3002\u672c\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u5177\u9ad4\u6b65\u9a5f\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u8a2d\u8a08\u548c\u5be6\u65bd\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e7%9a%84%e6%ad%a5%e9%a9%9f-rfzVhKxaIN\">\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u6b65\u9a5f<\/h2>\n<p>\u6578\u64da\u5eab\u8a2d\u8a08\u901a\u5e38\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u4e3b\u8981\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u9700\u6c42\u5206\u6790\uff1a<\/strong>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u696d\u52d9\u9700\u6c42\u3002\u9019\u5305\u62ec\u78ba\u5b9a\u6578\u64da\u7684\u985e\u578b\u3001\u6578\u64da\u4e4b\u9593\u7684\u95dc\u4fc2\u4ee5\u53ca\u7528\u6236\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6982\u5ff5\u8a2d\u8a08\uff1a<\/strong>\u4f7f\u7528\u5be6\u9ad4-\u95dc\u4fc2\u6a21\u578b\uff08ER\u6a21\u578b\uff09\u4f86\u8868\u793a\u6578\u64da\u7684\u7d50\u69cb\u3002\u9019\u4e00\u968e\u6bb5\u7684\u76ee\u7684\u662f\u78ba\u5b9a\u5be6\u9ad4\u3001\u5c6c\u6027\u548c\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u908f\u8f2f\u8a2d\u8a08\uff1a<\/strong>\u5c07\u6982\u5ff5\u6a21\u578b\u8f49\u63db\u70ba\u908f\u8f2f\u6a21\u578b\uff0c\u901a\u5e38\u6d89\u53ca\u9078\u64c7\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u548c\u5b9a\u7fa9\u8868\u7d50\u69cb\u3002<\/li>\n<li><strong>\u7269\u7406\u8a2d\u8a08\uff1a<\/strong>\u6839\u64da\u908f\u8f2f\u6a21\u578b\u8a2d\u8a08\u6578\u64da\u5eab\u7684\u7269\u7406\u7d50\u69cb\uff0c\u5305\u62ec\u7d22\u5f15\u3001\u5206\u5340\u548c\u5b58\u5132\u7d50\u69cb\u3002<\/li>\n<li><strong>\u5be6\u65bd\u8207\u6e2c\u8a66\uff1a<\/strong>\u5728\u9078\u5b9a\u7684DBMS\u4e2d\u5275\u5efa\u6578\u64da\u5eab\uff0c\u4e26\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u5176\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%9c%80%e6%b1%82%e5%88%86%e6%9e%90-rfzVhKxaIN\">\u9700\u6c42\u5206\u6790<\/h2>\n<p>\u9700\u6c42\u5206\u6790\u662f\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u7b2c\u4e00\u6b65\uff0c\u9019\u4e00\u904e\u7a0b\u9700\u8981\u8207\u696d\u52d9\u76f8\u95dc\u4eba\u54e1\u9032\u884c\u6df1\u5165\u7684\u4ea4\u6d41\u3002\u4e86\u89e3\u4ed6\u5011\u7684\u9700\u6c42\u53ef\u4ee5\u5e6b\u52a9\u78ba\u5b9a\u6578\u64da\u7684\u985e\u578b\u548c\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u7528\u6236\u4fe1\u606f\u3001\u7522\u54c1\u4fe1\u606f\u3001\u8a02\u55ae\u4fe1\u606f\u7b49\u3002<\/p>\n<h2 id=\"%e6%a6%82%e5%bf%b5%e8%a8%ad%e8%a8%88-rfzVhKxaIN\">\u6982\u5ff5\u8a2d\u8a08<\/h2>\n<p>\u5728\u6982\u5ff5\u8a2d\u8a08\u968e\u6bb5\uff0c\u958b\u767c\u8005\u901a\u5e38\u6703\u4f7f\u7528ER\u5716\u4f86\u8868\u793a\u6578\u64da\u6a21\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684ER\u5716\u793a\u4f8b\uff1a<\/p>\n<pre>\n+----------------+       +----------------+\n|    \u7528\u6236        |       |    \u8a02\u55ae        |\n+----------------+       +----------------+\n| \u7528\u6236ID (PK)    || \u8a02\u55aeID (PK)    |\n| \u59d3\u540d           |       | \u7528\u6236ID (FK)    |\n| \u96fb\u5b50\u90f5\u4ef6       |       | \u8a02\u55ae\u65e5\u671f       |\n+----------------+       +----------------+\n<\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u6709\u5169\u500b\u5be6\u9ad4\uff1a\u7528\u6236\u548c\u8a02\u55ae\u3002\u7528\u6236ID\u662f\u7528\u6236\u7684\u4e3b\u9375\uff0c\u800c\u8a02\u55ae\u4e2d\u7684\u7528\u6236ID\u662f\u5916\u9375\uff0c\u8868\u793a\u8a02\u55ae\u8207\u7528\u6236\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/p>\n<h2 id=\"%e9%82%8f%e8%bc%af%e8%a8%ad%e8%a8%88-rfzVhKxaIN\">\u908f\u8f2f\u8a2d\u8a08<\/h2>\n<p>\u908f\u8f2f\u8a2d\u8a08\u968e\u6bb5\u9700\u8981\u5c07ER\u5716\u8f49\u63db\u70ba\u5177\u9ad4\u7684\u8868\u7d50\u69cb\u3002\u6bcf\u500b\u5be6\u9ad4\u5c07\u8f49\u63db\u70ba\u4e00\u500b\u8868\uff0c\u6bcf\u500b\u5c6c\u6027\u5c07\u6210\u70ba\u8868\u4e2d\u7684\u4e00\u5217\u3002\u4ee5\u4e0b\u662f\u7528\u6236\u548c\u8a02\u55ae\u8868\u7684SQL\u5275\u5efa\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre>\nCREATE TABLE \u7528\u6236 (\n    \u7528\u6236ID INT PRIMARY KEY,\n    \u59d3\u540d VARCHAR(100),\n    \u96fb\u5b50\u90f5\u4ef6 VARCHAR(100)\n);\n\nCREATE TABLE \u8a02\u55ae (\n    \u8a02\u55aeID INT PRIMARY KEY,\n    \u7528\u6236ID INT,\n    \u8a02\u55ae\u65e5\u671f DATE,\n    FOREIGN KEY (\u7528\u6236ID) REFERENCES \u7528\u6236(\u7528\u6236ID)\n);\n<\/pre>\n<h2 id=\"%e7%89%a9%e7%90%86%e8%a8%ad%e8%a8%88-rfzVhKxaIN\">\u7269\u7406\u8a2d\u8a08<\/h2>\n<p>\u7269\u7406\u8a2d\u8a08\u6d89\u53ca\u5230\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u6548\u7387\u3002\u9019\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7528\u6236\u8868\u4e2d\u7684\u96fb\u5b50\u90f5\u4ef6\u5b57\u6bb5\uff0c\u53ef\u4ee5\u5275\u5efa\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a<\/p>\n<pre>\nCREATE INDEX idx_\u96fb\u5b50\u90f5\u4ef6 ON \u7528\u6236(\u96fb\u5b50\u90f5\u4ef6);\n<\/pre>\n<h2 id=\"%e5%af%a6%e6%96%bd%e8%88%87%e6%b8%ac%e8%a9%a6-rfzVhKxaIN\">\u5be6\u65bd\u8207\u6e2c\u8a66<\/h2>\n<p>\u5728\u5b8c\u6210\u8a2d\u8a08\u5f8c\uff0c\u958b\u767c\u8005\u9700\u8981\u5728\u9078\u5b9a\u7684DBMS\u4e2d\u5be6\u65bd\u6578\u64da\u5eab\u3002\u5be6\u65bd\u5f8c\uff0c\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u6e2c\u8a66\u53ef\u4ee5\u5305\u62ec\u6027\u80fd\u6e2c\u8a66\u3001\u58d3\u529b\u6e2c\u8a66\u548c\u5b89\u5168\u6e2c\u8a66\u7b49\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-rfzVhKxaIN\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u4e00\u500b\u7cfb\u7d71\u5316\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u9700\u6c42\u5206\u6790\u3001\u6982\u5ff5\u8a2d\u8a08\u3001\u908f\u8f2f\u8a2d\u8a08\u3001\u7269\u7406\u8a2d\u8a08\u4ee5\u53ca\u5be6\u65bd\u8207\u6e2c\u8a66\u7b49\u6b65\u9a5f\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8a2d\u8a08\u51fa\u9ad8\u6548\u3001\u53ef\u9760\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7d44\u7e54\u6578\u64da\u3001\u63d0\u9ad8\u6027\u80fd\u53ca\u78ba\u4fdd\u5b89\u5168\u6027\uff0c\u52a9\u60a8\u6253\u9020\u9ad8\u6548\u6578\u64da\u5eab\u7cfb\u7d71\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-190610","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190610","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=190610"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190610\/revisions"}],"predecessor-version":[{"id":190611,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190610\/revisions\/190611"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}