{"id":138497,"date":"2024-10-31T14:58:26","date_gmt":"2024-10-31T06:58:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138497\/"},"modified":"2024-10-31T14:58:26","modified_gmt":"2024-10-31T06:58:26","slug":"sql-server%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e6%a2%9d%e4%bb%b6%e5%88%a4%e6%96%b7%e5%92%8c%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86%e7%9a%84%e5%af%a6%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138497\/","title":{"rendered":"sql server\u5b58\u5132\u904e\u7a0b\u7684\u689d\u4ef6\u5224\u65b7\u548c\u4e8b\u52d9\u7ba1\u7406\u7684\u5be6\u4f8b"},"content":{"rendered":"<h1 id=\"sql-server%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e6%a2%9d%e4%bb%b6%e5%88%a4%e6%96%b7%e5%92%8c%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86%e7%9a%84%e5%af%a6%e4%be%8b-nvenbjTfdU\">SQL Server\u5b58\u5132\u904e\u7a0b\u7684\u689d\u4ef6\u5224\u65b7\u548c\u4e8b\u52d9\u7ba1\u7406\u7684\u5be6\u4f8b<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b58\u5132\u904e\u7a0b\u662fSQL Server\u4e2d\u4e00\u7a2e\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5c07\u591a\u500bSQL\u8a9e\u53e5\u5c01\u88dd\u5728\u4e00\u8d77\uff0c\u4e26\u4ee5\u4e00\u500b\u55ae\u4e00\u7684\u8abf\u7528\u4f86\u57f7\u884c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u57f7\u884c\u6548\u7387\uff0c\u9084\u589e\u5f37\u4e86\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u689d\u4ef6\u5224\u65b7\u548c\u4e8b\u52d9\u7ba1\u7406\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f8b\u4f86\u8aaa\u660e\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-nvenbjTfdU\">\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b58\u5132\u904e\u7a0b\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u6027\u80fd\uff1a\u56e0\u70ba\u5b58\u5132\u904e\u7a0b\u662f\u9810\u7de8\u8b6f\u7684\uff0c\u57f7\u884c\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n<li>\u589e\u5f37\u5b89\u5168\u6027\uff1a\u7528\u6236\u53ef\u4ee5\u88ab\u6388\u4e88\u57f7\u884c\u5b58\u5132\u904e\u7a0b\u7684\u6b0a\u9650\uff0c\u800c\u4e0d\u5fc5\u76f4\u63a5\u8a2a\u554f\u5e95\u5c64\u6578\u64da\u8868\u3002<\/li>\n<li>\u7c21\u5316\u7dad\u8b77\uff1a\u7576\u9700\u8981\u4fee\u6539\u908f\u8f2f\u6642\uff0c\u53ea\u9700\u66f4\u65b0\u5b58\u5132\u904e\u7a0b\uff0c\u800c\u4e0d\u5fc5\u66f4\u6539\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%a2%9d%e4%bb%b6%e5%88%a4%e6%96%b7%e7%9a%84%e4%bd%bf%e7%94%a8-nvenbjTfdU\">\u689d\u4ef6\u5224\u65b7\u7684\u4f7f\u7528<\/h2>\n<p>\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u689d\u4ef6\u5224\u65b7\u662f\u975e\u5e38\u5e38\u898b\u7684\u9700\u6c42\u3002SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u689d\u4ef6\u8a9e\u53e5\uff0c\u5982IF&#8230;ELSE\u3001CASE\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528IF\u8a9e\u53e5\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE PROCEDURE CheckEmployeeStatus\n    @EmployeeID INT\nAS\nBEGIN\n    DECLARE @Status VARCHAR(20);\n\n    SELECT @Status = Status\n    FROM Employees\n    WHERE EmployeeID = @EmployeeID;\n\n    IF @Status = 'Active'\n    BEGIN\n        PRINT '\u54e1\u5de5\u72c0\u614b\u70ba\uff1a\u5728\u8077';\n    END\n    ELSE\n    BEGIN\n        PRINT '\u54e1\u5de5\u72c0\u614b\u70ba\uff1a\u4e0d\u5728\u8077';\n    END\nEND\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u6839\u64da\u54e1\u5de5\u7684\u72c0\u614b\u8f38\u51fa\u4e0d\u540c\u7684\u6d88\u606f\u3002\u9019\u7a2e\u689d\u4ef6\u5224\u65b7\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u908f\u8f2f\u9032\u884c\u64f4\u5c55\uff0c\u4ee5\u6eff\u8db3\u66f4\u8907\u96dc\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-nvenbjTfdU\">\u4e8b\u52d9\u7ba1\u7406\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u4e8b\u52d9\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u91cd\u8981\u6a5f\u5236\u3002\u5728SQL Server\u4e2d\uff0c\u4e8b\u52d9\u53ef\u4ee5\u901a\u904eBEGIN TRANSACTION\u3001COMMIT\u548cROLLBACK\u8a9e\u53e5\u4f86\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406\uff1a<\/p>\n<pre><code>\nCREATE PROCEDURE TransferFunds\n    @FromAccount INT,\n    @ToAccount INT,\n    @Amount DECIMAL(10, 2)\nAS\nBEGIN\n    BEGIN TRANSACTION;\n\n    BEGIN TRY\n        UPDATE Accounts\n        SET Balance = Balance - @Amount\n        WHERE AccountID = @FromAccount;\n\n        UPDATE Accounts\n        SET Balance = Balance + @Amount\n        WHERE AccountID = @ToAccount;\n\n        COMMIT TRANSACTION;\n        PRINT '\u8cc7\u91d1\u8f49\u79fb\u6210\u529f';\n    END TRY\n    BEGIN CATCH\n        ROLLBACK TRANSACTION;\n        PRINT '\u8cc7\u91d1\u8f49\u79fb\u5931\u6557\uff1a' + ERROR_MESSAGE();\n    END CATCH\nEND\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u8cc7\u91d1\u8f49\u79fb\u64cd\u4f5c\u88ab\u5305\u88f9\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u3002\u5982\u679c\u4efb\u4f55\u4e00\u500b\u66f4\u65b0\u5931\u6557\uff0c\u5247\u6574\u500b\u4e8b\u52d9\u5c07\u88ab\u56de\u6efe\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-nvenbjTfdU\">\u7d50\u8ad6<\/h2>\n<p>SQL Server\u7684\u5b58\u5132\u904e\u7a0b\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u4f86\u9032\u884c\u689d\u4ef6\u5224\u65b7\u548c\u4e8b\u52d9\u7ba1\u7406\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u51fa\u9ad8\u6548\u3001\u5b89\u5168\u4e14\u6613\u65bc\u7dad\u8b77\u7684\u6578\u64da\u5eab\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f\u5728\u8655\u7406\u7c21\u55ae\u7684\u908f\u8f2f\u5224\u65b7\u9084\u662f\u8907\u96dc\u7684\u4e8b\u52d9\u64cd\u4f5c\uff0c\u5b58\u5132\u904e\u7a0b\u90fd\u80fd\u5920\u63d0\u4f9b\u5fc5\u8981\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528SQL Server\u7684\u5b58\u5132\u904e\u7a0b\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u689d\u4ef6\u5224\u65b7\u8207\u4e8b\u52d9\u7ba1\u7406\u5be6\u4f8b\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u53ef\u9760\u6027\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-138497","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138497","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=138497"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138497\/revisions"}],"predecessor-version":[{"id":138498,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138497\/revisions\/138498"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}