{"id":186476,"date":"2024-11-11T06:14:26","date_gmt":"2024-11-10T22:14:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186476\/"},"modified":"2024-11-11T06:14:27","modified_gmt":"2024-11-10T22:14:27","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%e5%b1%ac%e6%80%a7%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%a4%9a%e5%a5%97%e5%b1%ac%e6%80%a7%e4%bd%a0%e7%9f%a5%e9%81%93%e5%97%8e%ef%bc%9f%ef%bc%88%e6%af%8f%e5%80%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186476\/","title":{"rendered":"\u6578\u64da\u5eab\u5c0d\u8c61\u5c6c\u6027\u8a73\u89e3\uff1a\u591a\u5957\u5c6c\u6027\u4f60\u77e5\u9053\u55ce\uff1f\uff08\u6bcf\u500b\u6578\u64da\u5eab\u5c0d\u8c61\u90fd\u6709\u5e7e\u5957\u5c6c\u6027\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%e5%b1%ac%e6%80%a7%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%a4%9a%e5%a5%97%e5%b1%ac%e6%80%a7%e4%bd%a0%e7%9f%a5%e9%81%93%e5%97%8e%ef%bc%9f%ef%bc%88%e6%af%8f%e5%80%8b-ZjmcbQzhzF\">\u6578\u64da\u5eab\u5c0d\u8c61\u5c6c\u6027\u8a73\u89e3\uff1a\u591a\u5957\u5c6c\u6027\u4f60\u77e5\u9053\u55ce\uff1f\uff08\u6bcf\u500b\u6578\u64da\u5eab\u5c0d\u8c61\u90fd\u6709\u5e7e\u5957\u5c6c\u6027\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u5eab\u5c0d\u8c61\u662f\u7528\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\u3002\u9019\u4e9b\u5c0d\u8c61\u5305\u62ec\u8868\u3001\u8996\u5716\u3001\u7d22\u5f15\u3001\u5b58\u5132\u904e\u7a0b\u7b49\u3002\u6bcf\u500b\u6578\u64da\u5eab\u5c0d\u8c61\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5c6c\u6027\uff0c\u9019\u4e9b\u5c6c\u6027\u4e0d\u50c5\u5f71\u97ff\u5c0d\u8c61\u7684\u884c\u70ba\uff0c\u9084\u5f71\u97ff\u6578\u64da\u7684\u5b58\u53d6\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u591a\u5957\u5c6c\u6027\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u5eab\u7684\u904b\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%b1%ac%e6%80%a7-ZjmcbQzhzF\">\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u57fa\u672c\u5c6c\u6027<\/h2>\n<p>\u6bcf\u500b\u6578\u64da\u5eab\u5c0d\u8c61\u90fd\u6709\u4e00\u4e9b\u57fa\u672c\u5c6c\u6027\uff0c\u9019\u4e9b\u5c6c\u6027\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u540d\u7a31\uff1a<\/strong>\u6bcf\u500b\u5c0d\u8c61\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u540d\u7a31\uff0c\u7528\u65bc\u8b58\u5225\u548c\u5f15\u7528\u8a72\u5c0d\u8c61\u3002<\/li>\n<li><strong>\u985e\u578b\uff1a<\/strong>\u5c0d\u8c61\u7684\u985e\u578b\u6c7a\u5b9a\u4e86\u5176\u529f\u80fd\uff0c\u4f8b\u5982\u8868\u3001\u8996\u5716\u6216\u7d22\u5f15\u3002<\/li>\n<li><strong>\u64c1\u6709\u8005\uff1a<\/strong>\u5c0d\u8c61\u7684\u64c1\u6709\u8005\u901a\u5e38\u662f\u5275\u5efa\u8a72\u5c0d\u8c61\u7684\u7528\u6236\u6216\u89d2\u8272\u3002<\/li>\n<li><strong>\u5275\u5efa\u6642\u9593\uff1a<\/strong>\u8a18\u9304\u5c0d\u8c61\u5275\u5efa\u7684\u6642\u9593\uff0c\u6709\u52a9\u65bc\u7ba1\u7406\u548c\u7dad\u8b77\u3002<\/li>\n<li><strong>\u4fee\u6539\u6642\u9593\uff1a<\/strong>\u8a18\u9304\u5c0d\u8c61\u6700\u5f8c\u4e00\u6b21\u4fee\u6539\u7684\u6642\u9593\uff0c\u4fbf\u65bc\u8ffd\u8e64\u8b8a\u66f4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%e7%9a%84%e9%80%b2%e9%9a%8e%e5%b1%ac%e6%80%a7-ZjmcbQzhzF\">\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u9032\u968e\u5c6c\u6027<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u5c6c\u6027\u5916\uff0c\u6578\u64da\u5eab\u5c0d\u8c61\u9084\u64c1\u6709\u4e00\u4e9b\u9032\u968e\u5c6c\u6027\uff0c\u9019\u4e9b\u5c6c\u6027\u901a\u5e38\u8207\u5c0d\u8c61\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u6709\u95dc\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u5c6c\u6027\uff1a<\/strong>\u5c0d\u65bc\u8868\u5c0d\u8c61\uff0c\u7d22\u5f15\u5c6c\u6027\u6c7a\u5b9a\u4e86\u6578\u64da\u7684\u5b58\u53d6\u901f\u5ea6\u3002\u7d22\u5f15\u53ef\u4ee5\u662f\u552f\u4e00\u7684\u6216\u975e\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u662f\u805a\u96c6\u6216\u975e\u805a\u96c6\u7684\u3002<\/li>\n<li><strong>\u7d04\u675f\u689d\u4ef6\uff1a<\/strong>\u7d04\u675f\u689d\u4ef6\u7528\u65bc\u9650\u5236\u6578\u64da\u7684\u8f38\u5165\uff0c\u4f8b\u5982\u4e3b\u9375\u3001\u5916\u9375\u3001\u552f\u4e00\u6027\u7d04\u675f\u7b49\uff0c\u9019\u4e9b\u7d04\u675f\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u6b0a\u9650\u5c6c\u6027\uff1a<\/strong>\u9019\u4e9b\u5c6c\u6027\u6c7a\u5b9a\u4e86\u7528\u6236\u5c0d\u5c0d\u8c61\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u5305\u62ec\u8b80\u53d6\u3001\u5beb\u5165\u548c\u57f7\u884c\u6b0a\u9650\u3002<\/li>\n<li><strong>\u89f8\u767c\u5668\uff1a<\/strong>\u89f8\u767c\u5668\u662f\u8207\u7279\u5b9a\u4e8b\u4ef6\uff08\u5982\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\uff09\u76f8\u95dc\u806f\u7684\u7a0b\u5e8f\uff0c\u80fd\u5920\u81ea\u52d5\u57f7\u884c\u7279\u5b9a\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%e7%9a%84%e5%a4%9a%e5%a5%97%e5%b1%ac%e6%80%a7-ZjmcbQzhzF\">\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u591a\u5957\u5c6c\u6027<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u5c6c\u6027\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u800c\u8b8a\u5316\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u8868\u5c0d\u8c61\uff0c\u6839\u64da\u696d\u52d9\u9700\u6c42\u7684\u4e0d\u540c\uff0c\u53ef\u80fd\u6703\u6709\u4e0d\u540c\u7684\u7d22\u5f15\u7b56\u7565\u548c\u7d04\u675f\u689d\u4ef6\u3002\u9019\u610f\u5473\u8457\u540c\u4e00\u500b\u5c0d\u8c61\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u53ef\u80fd\u6703\u6709\u591a\u5957\u5c6c\u6027\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u7522\u54c1\u8868\u53ef\u80fd\u9700\u8981\u6839\u64da\u92b7\u552e\u6578\u64da\u9032\u884c\u512a\u5316\uff0c\u9019\u6642\u53ef\u4ee5\u6dfb\u52a0\u91dd\u5c0d\u50f9\u683c\u548c\u5eab\u5b58\u7684\u7d22\u5f15\u3002\u800c\u5728\u4e00\u500b\u5831\u544a\u7cfb\u7d71\u4e2d\uff0c\u5247\u53ef\u80fd\u9700\u8981\u91dd\u5c0d\u65e5\u671f\u548c\u985e\u5225\u9032\u884c\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%e7%9a%84%e5%b1%ac%e6%80%a7-ZjmcbQzhzF\">\u793a\u4f8b\uff1a\u8868\u5c0d\u8c61\u7684\u5c6c\u6027<\/h3>\n<pre><code>\nCREATE TABLE Products (\n    ProductID INT PRIMARY KEY,\n    ProductName VARCHAR(100) NOT NULL,\n    Price DECIMAL(10, 2),\n    Stock INT,\n    CONSTRAINT chk_Price CHECK (Price &gt;= 0)\n);\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cProducts\u8868\u64c1\u6709\u591a\u500b\u5c6c\u6027\uff0c\u5305\u62ec\u4e3b\u9375\u7d04\u675f\u3001\u975e\u7a7a\u7d04\u675f\u548c\u6aa2\u67e5\u7d04\u675f\u3002\u9019\u4e9b\u5c6c\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6709\u6548\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZjmcbQzhzF\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u5c6c\u6027\u662f\u7406\u89e3\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u7ba1\u7406\u7684\u95dc\u9375\u3002\u901a\u904e\u638c\u63e1\u9019\u4e9b\u5c6c\u6027\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u9748\u6d3b\u904b\u7528\u591a\u5957\u5c6c\u6027\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u512a\u5316\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u63d0\u4f9b\u7684\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u591a\u5957\u5c6c\u6027\uff0c\u4e86\u89e3\u6bcf\u500b\u5c0d\u8c61\u7684\u7279\u6027\u8207\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u61c9\u7528\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-186476","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186476","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=186476"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186476\/revisions"}],"predecessor-version":[{"id":186477,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186476\/revisions\/186477"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}