{"id":187622,"date":"2024-11-11T15:48:21","date_gmt":"2024-11-11T07:48:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187622\/"},"modified":"2024-11-11T15:48:22","modified_gmt":"2024-11-11T07:48:22","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%83%e7%b4%a0%e5%8c%85%e6%8b%ac%e5%93%aa%e4%ba%9b%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%83%e7%b4%a0%e6%98%af%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187622\/","title":{"rendered":"\u6578\u64da\u5eab\u5143\u7d20\u5305\u62ec\u54ea\u4e9b\uff1f (\u6578\u64da\u5eab\u5143\u7d20\u662f\u54ea\u4e9b)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%83%e7%b4%a0%e5%8c%85%e6%8b%ac%e5%93%aa%e4%ba%9b%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%83%e7%b4%a0%e6%98%af%e5%93%aa%e4%ba%9b-KNeAWhIOhy\">\u6578\u64da\u5eab\u5143\u7d20\u5305\u62ec\u54ea\u4e9b\uff1f (\u6578\u64da\u5eab\u5143\u7d20\u662f\u54ea\u4e9b)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7121\u8ad6\u662f\u4f01\u696d\u3001\u5b78\u8853\u6a5f\u69cb\u9084\u662f\u500b\u4eba\u7528\u6236\uff0c\u6578\u64da\u5eab\u90fd\u7528\u65bc\u5b58\u5132\u3001\u7ba1\u7406\u548c\u6aa2\u7d22\u4fe1\u606f\u3002\u4e86\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u5143\u7d20\u5c0d\u65bc\u8a2d\u8a08\u548c\u4f7f\u7528\u6578\u64da\u5eab\u7cfb\u7d71\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7684\u4e3b\u8981\u5143\u7d20\u53ca\u5176\u529f\u80fd\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab-KNeAWhIOhy\">1. \u6578\u64da\u5eab<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u5b58\u5132\u6578\u64da\u7684\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u7d44\u7e54\u3002\u6578\u64da\u5eab\u53ef\u4ee5\u662f\u95dc\u806f\u578b\u7684\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u6216\u975e\u95dc\u806f\u578b\u7684\uff08\u5982 MongoDB\u3001Cassandra\uff09\u3002\u95dc\u806f\u578b\u6578\u64da\u5eab\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u800c\u975e\u95dc\u806f\u578b\u6578\u64da\u5eab\u5247\u4f7f\u7528\u6587\u6a94\u6216\u9375\u503c\u5c0d\u7684\u5f62\u5f0f\u3002<\/p>\n<h2 id=\"2-%e8%a1%a8%ef%bc%88table%ef%bc%89-KNeAWhIOhy\">2. \u8868\uff08Table\uff09<\/h2>\n<p>\u8868\u662f\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d44\u7e54\u55ae\u4f4d\u3002\u6bcf\u500b\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u4ee3\u8868\u5c6c\u6027\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u7528\u6236\u8868\u4e2d\uff0c\u53ef\u80fd\u6709\u4ee5\u4e0b\u5217\uff1a<\/p>\n<ul>\n<li>\u7528\u6236ID<\/li>\n<li>\u7528\u6236\u540d<\/li>\n<li>\u96fb\u5b50\u90f5\u4ef6<\/li>\n<li>\u8a3b\u518a\u65e5\u671f<\/li>\n<\/ul>\n<p>\u6bcf\u4e00\u884c\u5247\u4ee3\u8868\u4e00\u500b\u7528\u6236\u7684\u5177\u9ad4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"3-%e8%a1%8c%ef%bc%88row%ef%bc%89%e5%92%8c%e5%88%97%ef%bc%88column%ef%bc%89-KNeAWhIOhy\">3. \u884c\uff08Row\uff09\u548c\u5217\uff08Column\uff09<\/h2>\n<p>\u884c\u662f\u8868\u4e2d\u7684\u4e00\u500b\u8a18\u9304\uff0c\u800c\u5217\u5247\u662f\u8868\u4e2d\u6bcf\u500b\u8a18\u9304\u7684\u5c6c\u6027\u3002\u6bcf\u4e00\u884c\u90fd\u5305\u542b\u4e86\u6240\u6709\u5217\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6236\u8868\u4e2d\uff0c\u4e00\u884c\u53ef\u80fd\u5305\u542b\u4e00\u500b\u7528\u6236\u7684\u6240\u6709\u4fe1\u606f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>\n| \u7528\u6236ID | \u7528\u6236\u540d | \u96fb\u5b50\u90f5\u4ef6         | \u8a3b\u518a\u65e5\u671f   |\n|--------|--------|------------------|------------|\n| 1      | Alice  | alice@example.com | 2023-01-01 |\n<\/code><\/pre>\n<h2 id=\"4-%e4%b8%bb%e9%8d%b5%ef%bc%88primary-key%ef%bc%89-KNeAWhIOhy\">4. \u4e3b\u9375\uff08Primary Key\uff09<\/h2>\n<p>\u4e3b\u9375\u662f\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u6bcf\u4e00\u884c\u7684\u5217\u3002\u4e3b\u9375\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e14\u4e0d\u80fd\u70ba\u7a7a\u3002\u4ee5\u7528\u6236\u8868\u70ba\u4f8b\uff0c\u901a\u5e38\u6703\u5c07\u7528\u6236ID\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u9019\u6a23\u6bcf\u500b\u7528\u6236\u90fd\u53ef\u4ee5\u901a\u904e\u5176\u552f\u4e00\u7684\u7528\u6236ID\u4f86\u8b58\u5225\u3002<\/p>\n<h2 id=\"5-%e5%a4%96%e9%8d%b5%ef%bc%88foreign-key%ef%bc%89-KNeAWhIOhy\">5. \u5916\u9375\uff08Foreign Key\uff09<\/h2>\n<p>\u5916\u9375\u662f\u7528\u65bc\u5efa\u7acb\u8868\u4e4b\u9593\u95dc\u806f\u7684\u5217\u3002\u5b83\u6307\u5411\u53e6\u4e00\u500b\u8868\u7684\u4e3b\u9375\uff0c\u5f9e\u800c\u5be6\u73fe\u6578\u64da\u7684\u95dc\u806f\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u500b\u8a02\u55ae\u8868\uff0c\u8a72\u8868\u4e2d\u7684\u7528\u6236ID\u53ef\u4ee5\u4f5c\u70ba\u5916\u9375\uff0c\u6307\u5411\u7528\u6236\u8868\u4e2d\u7684\u7528\u6236ID\uff0c\u9019\u6a23\u53ef\u4ee5\u77e5\u9053\u6bcf\u500b\u8a02\u55ae\u662f\u7531\u54ea\u500b\u7528\u6236\u4e0b\u7684\u3002<\/p>\n<h2 id=\"6-%e7%b4%a2%e5%bc%95%ef%bc%88index%ef%bc%89-KNeAWhIOhy\">6. \u7d22\u5f15\uff08Index\uff09<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u3002\u901a\u904e\u5728\u8868\u7684\u67d0\u4e9b\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7d22\u5f15\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u53ef\u4ee5\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<h2 id=\"7-%e8%a6%96%e5%9c%96%ef%bc%88view%ef%bc%89-KNeAWhIOhy\">7. \u8996\u5716\uff08View\uff09<\/h2>\n<p>\u8996\u5716\u662f\u4e00\u7a2e\u865b\u64ec\u8868\uff0c\u5b83\u662f\u57fa\u65bc\u67e5\u8a62\u7d50\u679c\u7684\u3002\u8996\u5716\u4e0d\u5b58\u5132\u6578\u64da\uff0c\u800c\u662f\u52d5\u614b\u751f\u6210\u3002\u4f7f\u7528\u8996\u5716\u53ef\u4ee5\u7c21\u5316\u8907\u96dc\u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u56e0\u70ba\u7528\u6236\u53ef\u4ee5\u53ea\u8a2a\u554f\u8996\u5716\u800c\u4e0d\u662f\u5e95\u5c64\u8868\u3002<\/p>\n<h2 id=\"8-%e8%a7%b8%e7%99%bc%e5%99%a8%ef%bc%88trigger%ef%bc%89-KNeAWhIOhy\">8. \u89f8\u767c\u5668\uff08Trigger\uff09<\/h2>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u5b83\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\uff0c\u4f8b\u5982\u5728\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\u6642\u3002\u89f8\u767c\u5668\u53ef\u4ee5\u7528\u65bc\u81ea\u52d5\u9a57\u8b49\u6578\u64da\u6216\u7dad\u8b77\u6578\u64da\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"9-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%88stored-procedure%ef%bc%89-KNeAWhIOhy\">9. \u5b58\u5132\u904e\u7a0b\uff08Stored Procedure\uff09<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684 SQL \u8a9e\u53e5\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u3002\u5b83\u5011\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4e26\u8fd4\u56de\u7d50\u679c\uff0c\u4e26\u4e14\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KNeAWhIOhy\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u57fa\u672c\u5143\u7d20\u5305\u62ec\u6578\u64da\u5eab\u672c\u8eab\u3001\u8868\u3001\u884c\u3001\u5217\u3001\u4e3b\u9375\u3001\u5916\u9375\u3001\u7d22\u5f15\u3001\u8996\u5716\u3001\u89f8\u767c\u5668\u548c\u5b58\u5132\u904e\u7a0b\u3002\u9019\u4e9b\u5143\u7d20\u5171\u540c\u69cb\u6210\u4e86\u6578\u64da\u5eab\u7684\u7d50\u69cb\u548c\u529f\u80fd\uff0c\u4f7f\u5f97\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u8b8a\u5f97\u9ad8\u6548\u548c\u6709\u5e8f\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u5143\u7d20\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u6578\u64da\u5eab\u5143\u7d20\uff0c\u5305\u62ec\u8868\u683c\u3001\u8a18\u9304\u3001\u5b57\u6bb5\u3001\u7d22\u5f15\u548c\u95dc\u806f\uff0c\u9019\u4e9b\u662f\u69cb\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d44\u6210\u90e8\u5206\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-187622","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187622","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=187622"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187622\/revisions"}],"predecessor-version":[{"id":187623,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187622\/revisions\/187623"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}