{"id":159623,"date":"2024-11-03T16:11:25","date_gmt":"2024-11-03T08:11:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159623\/"},"modified":"2024-11-03T16:11:26","modified_gmt":"2024-11-03T08:11:26","slug":"sql-server%e7%b4%9a%e8%81%af%e5%88%aa%e9%99%a4%e7%9a%84%e7%b0%a1%e5%96%ae%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159623\/","title":{"rendered":"SQL SERVER\u7d1a\u806f\u522a\u9664\u7684\u7c21\u55ae\u5be6\u73fe\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"sql-server%e7%b4%9a%e8%81%af%e5%88%aa%e9%99%a4%e7%9a%84%e7%b0%a1%e5%96%ae%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-QsnKAXfsOT\">SQL SERVER\u7d1a\u806f\u522a\u9664\u7684\u7c21\u55ae\u5be6\u73fe\u65b9\u6cd5<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d1a\u806f\u522a\u9664\u662f\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5177\u6709\u7236\u5b50\u95dc\u4fc2\u7684\u8cc7\u6599\u8868\u6642\u3002\u7576\u4e00\u500b\u7236\u8a18\u9304\u88ab\u522a\u9664\u6642\uff0c\u6240\u6709\u76f8\u95dc\u7684\u5b50\u8a18\u9304\u4e5f\u6703\u81ea\u52d5\u88ab\u522a\u9664\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u6301\u8cc7\u6599\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 SQL Server \u4e2d\u5be6\u73fe\u7d1a\u806f\u522a\u9664\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%9a%e8%81%af%e5%88%aa%e9%99%a4%ef%bc%9f-QsnKAXfsOT\">\u4ec0\u9ebc\u662f\u7d1a\u806f\u522a\u9664\uff1f<\/h2>\n<p>\u7d1a\u806f\u522a\u9664\u662f\u6307\u5728\u8cc7\u6599\u5eab\u4e2d\uff0c\u7576\u4e00\u500b\u8a18\u9304\u88ab\u522a\u9664\u6642\uff0c\u6240\u6709\u8207\u4e4b\u76f8\u95dc\u7684\u8a18\u9304\u4e5f\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u901a\u5e38\u7528\u65bc\u4e00\u5c0d\u591a\u7684\u95dc\u4fc2\u4e2d\uff0c\u4f8b\u5982\u4e00\u500b\u5ba2\u6236\u53ef\u4ee5\u6709\u591a\u500b\u8a02\u55ae\u3002\u5982\u679c\u5ba2\u6236\u88ab\u522a\u9664\uff0c\u5247\u6240\u6709\u8207\u8a72\u5ba2\u6236\u76f8\u95dc\u7684\u8a02\u55ae\u4e5f\u61c9\u8a72\u88ab\u522a\u9664\uff0c\u4ee5\u907f\u514d\u5b64\u7acb\u7684\u8cc7\u6599\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-sql-server-%e4%b8%ad%e5%af%a6%e7%8f%be%e7%b4%9a%e8%81%af%e5%88%aa%e9%99%a4-QsnKAXfsOT\">\u5982\u4f55\u5728 SQL Server \u4e2d\u5be6\u73fe\u7d1a\u806f\u522a\u9664<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u5be6\u73fe\u7d1a\u806f\u522a\u9664\u7684\u6700\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528\u5916\u9375\u7d04\u675f\u3002\u7576\u4f60\u5275\u5efa\u4e00\u500b\u5916\u9375\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u7576\u7236\u8a18\u9304\u88ab\u522a\u9664\u6642\uff0c\u5b50\u8a18\u9304\u61c9\u8a72\u5982\u4f55\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7d1a\u806f\u522a\u9664\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1-%e5%89%b5%e5%bb%ba%e8%b3%87%e6%96%99%e8%a1%a8-QsnKAXfsOT\">\u6b65\u9a5f 1: \u5275\u5efa\u8cc7\u6599\u8868<\/h3>\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    CustomerID INT,\n    OrderDate DATETIME,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID) ON DELETE CASCADE\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u5169\u500b\u8cc7\u6599\u8868\uff1aCustomers \u548c Orders\u3002Orders \u8868\u4e2d\u7684 CustomerID \u662f\u4e00\u500b\u5916\u9375\uff0c\u53c3\u8003\u4e86 Customers \u8868\u7684 CustomerID\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86 ON DELETE CASCADE\uff0c\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u5ba2\u6236\u88ab\u522a\u9664\u6642\uff0c\u6240\u6709\u76f8\u95dc\u7684\u8a02\u55ae\u4e5f\u6703\u88ab\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2-%e6%8f%92%e5%85%a5%e6%b8%ac%e8%a9%a6%e6%95%b8%e6%93%9a-QsnKAXfsOT\">\u6b65\u9a5f 2: \u63d2\u5165\u6e2c\u8a66\u6578\u64da<\/h3>\n<pre><code>INSERT INTO Customers (CustomerID, CustomerName) VALUES (1, 'Alice');\nINSERT INTO Customers (CustomerID, CustomerName) VALUES (2, 'Bob');\n\nINSERT INTO Orders (OrderID, CustomerID, OrderDate) VALUES (1, 1, GETDATE());\nINSERT INTO Orders (OrderID, CustomerID, OrderDate) VALUES (2, 1, GETDATE());\nINSERT INTO Orders (OrderID, CustomerID, OrderDate) VALUES (3, 2, GETDATE());<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u63d2\u5165\u4e86\u4e00\u4e9b\u6e2c\u8a66\u6578\u64da\uff0c\u5305\u62ec\u5169\u500b\u5ba2\u6236\u548c\u4e09\u500b\u8a02\u55ae\u3002Alice \u6709\u5169\u500b\u8a02\u55ae\uff0c\u800c Bob \u6709\u4e00\u500b\u8a02\u55ae\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3-%e5%88%aa%e9%99%a4%e7%88%b6%e8%a8%98%e9%8c%84-QsnKAXfsOT\">\u6b65\u9a5f 3: \u522a\u9664\u7236\u8a18\u9304<\/h3>\n<pre><code>DELETE FROM Customers WHERE CustomerID = 1;<\/code><\/pre>\n<p>\u7576\u6211\u5011\u57f7\u884c\u4e0a\u8ff0\u522a\u9664\u64cd\u4f5c\u6642\uff0cCustomerID \u70ba 1 \u7684\u5ba2\u6236\uff08Alice\uff09\u5c07\u88ab\u522a\u9664\uff0c\u4e26\u4e14\u6240\u6709\u8207\u4e4b\u76f8\u95dc\u7684\u8a02\u55ae\uff08OrderID \u70ba 1 \u548c 2 \u7684\u8a02\u55ae\uff09\u4e5f\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-QsnKAXfsOT\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u4f7f\u7528\u7d1a\u806f\u522a\u9664\u6642\uff0c\u5fc5\u9808\u5c0f\u5fc3\u64cd\u4f5c\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u5916\u522a\u9664\u5927\u91cf\u8cc7\u6599\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u8cc7\u6599\u5eab\u6642\uff0c\u61c9\u8a72\u4ed4\u7d30\u8003\u616e\u8cc7\u6599\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u4ee5\u78ba\u4fdd\u7d1a\u806f\u522a\u9664\u7684\u4f7f\u7528\u662f\u5408\u9069\u7684\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528 SQL Server Management Studio (SSMS) \u4f86\u8996\u89ba\u5316\u548c\u7ba1\u7406\u5916\u9375\u7d04\u675f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QsnKAXfsOT\">\u7e3d\u7d50<\/h2>\n<p>\u7d1a\u806f\u522a\u9664\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7dad\u8b77\u8cc7\u6599\u5eab\u7684\u5b8c\u6574\u6027\u3002\u5728 SQL Server \u4e2d\uff0c\u901a\u904e\u8a2d\u7f6e\u5916\u9375\u7d04\u675f\u4e26\u4f7f\u7528 ON DELETE CASCADE\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u7d1a\u806f\u522a\u9664\u3002\u9019\u4e0d\u50c5\u7c21\u5316\u4e86\u8cc7\u6599\u7ba1\u7406\uff0c\u9084\u80fd\u907f\u514d\u5b64\u7acb\u7684\u8cc7\u6599\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u8cc7\u6599\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server\u4e2d\u7d1a\u806f\u522a\u9664\u7684\u7c21\u55ae\u5be6\u73fe\u65b9\u6cd5\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u4e26\u81ea\u52d5\u522a\u9664\u76f8\u95dc\u8a18\u9304\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-159623","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159623","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=159623"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159623\/revisions"}],"predecessor-version":[{"id":159624,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159623\/revisions\/159624"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}