{"id":162885,"date":"2024-11-04T18:50:19","date_gmt":"2024-11-04T10:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162885\/"},"modified":"2024-11-04T18:50:20","modified_gmt":"2024-11-04T10:50:20","slug":"%e6%95%99%e6%82%a8sql-server%e5%a4%96%e9%8d%b5%e7%9a%84%e8%a8%ad%e5%ae%9a%e5%92%8c%e5%88%aa%e9%99%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162885\/","title":{"rendered":"\u6559\u60a8sql server\u5916\u9375\u7684\u8a2d\u5b9a\u548c\u522a\u9664"},"content":{"rendered":"<h1 id=\"%e6%95%99%e6%82%a8sql-server%e5%a4%96%e9%8d%b5%e7%9a%84%e8%a8%ad%e5%ae%9a%e5%92%8c%e5%88%aa%e9%99%a4-REsaZvYBEI\">\u6559\u60a8SQL Server\u5916\u9375\u7684\u8a2d\u5b9a\u548c\u522a\u9664<\/h1>\n<p>\u5728\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u4e2d\uff0c\u5916\u9375\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u7d04\u675f\u689d\u4ef6\uff0c\u7528\u65bc\u5efa\u7acb\u548c\u5f37\u5316\u5169\u500b\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002\u900f\u904e\u5916\u9375\uff0c\u8cc7\u6599\u5eab\u80fd\u5920\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728SQL Server\u4e2d\u8a2d\u5b9a\u548c\u522a\u9664\u5916\u9375\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%96%e9%8d%b5%ef%bc%9f-REsaZvYBEI\">\u4ec0\u9ebc\u662f\u5916\u9375\uff1f<\/h2>\n<p>\u5916\u9375\u662f\u6307\u4e00\u500b\u8cc7\u6599\u8868\u4e2d\u7684\u4e00\u500b\u6216\u591a\u500b\u6b04\u4f4d\uff0c\u5176\u503c\u5fc5\u9808\u8207\u53e6\u4e00\u500b\u8cc7\u6599\u8868\u4e2d\u7684\u4e3b\u9375\u6216\u552f\u4e00\u9375\u7684\u503c\u76f8\u5339\u914d\u3002\u9019\u7a2e\u95dc\u806f\u4f7f\u5f97\u8cc7\u6599\u5eab\u80fd\u5920\u7dad\u8b77\u8cc7\u6599\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u51fa\u73fe\u5b64\u7acb\u7684\u8cc7\u6599\u884c\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e5%ae%9a%e5%a4%96%e9%8d%b5-REsaZvYBEI\">\u8a2d\u5b9a\u5916\u9375<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u8a2d\u5b9a\u5916\u9375\u53ef\u4ee5\u901a\u904eSQL\u8a9e\u53e5\u6216SQL Server Management Studio (SSMS) \u9032\u884c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SQL\u8a9e\u53e5\u8a2d\u5b9a\u5916\u9375\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%b3%87%e6%96%99%e8%a1%a8-REsaZvYBEI\">1. \u5275\u5efa\u8cc7\u6599\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u5169\u500b\u8cc7\u6599\u8868\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>Customers<\/code> \u7684\u8cc7\u6599\u8868\u548c\u4e00\u500b\u540d\u70ba <code>Orders<\/code> \u7684\u8cc7\u6599\u8868\u3002<\/p>\n<pre><code>CREATE TABLE Customers (\n    CustomerID INT PRIMARY KEY,\n    CustomerName NVARCHAR(100)\n);\n\nCREATE TABLE Orders (\n    OrderID INT PRIMARY KEY,\n    OrderDate DATETIME,\n    CustomerID INT,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID)\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c<code>Orders<\/code> \u8cc7\u6599\u8868\u4e2d\u7684 <code>CustomerID<\/code> \u6b04\u4f4d\u88ab\u8a2d\u5b9a\u70ba\u5916\u9375\uff0c\u53c3\u8003\u4e86 <code>Customers<\/code> \u8cc7\u6599\u8868\u4e2d\u7684 <code>CustomerID<\/code> \u6b04\u4f4d\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8sql-server-management-studio%e8%a8%ad%e5%ae%9a%e5%a4%96%e9%8d%b5-REsaZvYBEI\">2. \u4f7f\u7528SQL Server Management Studio\u8a2d\u5b9a\u5916\u9375<\/h3>\n<ul>\n<li>\u5728SSMS\u4e2d\uff0c\u53f3\u9375\u9ede\u64ca\u8981\u6dfb\u52a0\u5916\u9375\u7684\u8cc7\u6599\u8868\uff0c\u9078\u64c7\u300c\u8a2d\u8a08\u300d\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u8996\u5716\u4e2d\uff0c\u53f3\u9375\u9ede\u64ca\u300c\u95dc\u806f\u300d\u9078\u9805\uff0c\u7136\u5f8c\u9078\u64c7\u300c\u65b0\u589e\u5916\u9375\u300d\u3002<\/li>\n<li>\u5728\u5916\u9375\u7684\u5c6c\u6027\u4e2d\uff0c\u9078\u64c7\u4e3b\u8868\u548c\u5916\u9375\u6b04\u4f4d\uff0c\u7136\u5f8c\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5-REsaZvYBEI\">\u522a\u9664\u5916\u9375<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u5df2\u8a2d\u5b9a\u7684\u5916\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE Orders\nDROP CONSTRAINT FK_Orders_Customers;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>FK_Orders_Customers<\/code> \u662f\u5916\u9375\u7684\u540d\u7a31\u3002\u60a8\u53ef\u4ee5\u5728SSMS\u4e2d\u67e5\u770b\u5916\u9375\u7684\u540d\u7a31\uff0c\u901a\u5e38\u6703\u81ea\u52d5\u751f\u6210\uff0c\u683c\u5f0f\u70ba <code>FK_\u8868\u540d_\u53c3\u8003\u8868\u540d<\/code>\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8sql-server-management-studio%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5-REsaZvYBEI\">\u4f7f\u7528SQL Server Management Studio\u522a\u9664\u5916\u9375<\/h3>\n<ul>\n<li>\u5728SSMS\u4e2d\uff0c\u627e\u5230\u8981\u522a\u9664\u5916\u9375\u7684\u8cc7\u6599\u8868\uff0c\u5c55\u958b\u300c\u95dc\u806f\u300d\u9078\u9805\u3002<\/li>\n<li>\u627e\u5230\u8981\u522a\u9664\u7684\u5916\u9375\uff0c\u53f3\u9375\u9ede\u64ca\u4e26\u9078\u64c7\u300c\u522a\u9664\u300d\u3002<\/li>\n<li>\u78ba\u8a8d\u522a\u9664\u64cd\u4f5c\uff0c\u7136\u5f8c\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-REsaZvYBEI\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u8a2d\u5b9a\u6216\u522a\u9664\u5916\u9375\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5916\u9375\u6240\u53c3\u8003\u7684\u4e3b\u9375\u6216\u552f\u4e00\u9375\u5b58\u5728\u3002<\/li>\n<li>\u522a\u9664\u5916\u9375\u6642\uff0c\u9700\u78ba\u8a8d\u4e0d\u6703\u5f71\u97ff\u5230\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u8b8a\u66f4\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u8cc7\u6599\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-REsaZvYBEI\">\u7e3d\u7d50<\/h2>\n<p>\u5916\u9375\u5728SQL Server\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u80fd\u5920\u5e6b\u52a9\u7dad\u8b77\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u719f\u7df4\u5730\u8a2d\u5b9a\u548c\u522a\u9664\u5916\u9375\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u8cc7\u6599\u5eab\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728SQL Server\u4e2d\u8a2d\u5b9a\u548c\u522a\u9664\u5916\u9375\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u95dc\u806f\u6027\uff0c\u63d0\u5347\u6578\u64da\u5eab\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-162885","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162885","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=162885"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162885\/revisions"}],"predecessor-version":[{"id":162886,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162885\/revisions\/162886"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}