{"id":196243,"date":"2024-11-13T21:40:18","date_gmt":"2024-11-13T13:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196243\/"},"modified":"2024-11-13T21:40:19","modified_gmt":"2024-11-13T13:40:19","slug":"%e6%89%besqlserver%e4%b8%ad%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e6%89%80%e9%9c%80%e4%bf%a1%e6%81%af%ef%bc%88sqlserver%e4%b8%ad%e6%9f%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196243\/","title":{"rendered":"\u627eSQLServer\u4e2d\u5982\u4f55\u5feb\u901f\u67e5\u627e\u6240\u9700\u4fe1\u606f\uff08sqlserver\u4e2d\u67e5\uff09"},"content":{"rendered":"

\u627eSQL Server\u4e2d\u5982\u4f55\u5feb\u901f\u67e5\u627e\u6240\u9700\u4fe1\u606f<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL Server\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u74b0\u5883\u4e2d\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u7528\u6236\u6578\u64da\u3001\u4ea4\u6613\u8a18\u9304\u9084\u662f\u5176\u4ed6\u91cd\u8981\u4fe1\u606f\uff0c\u5feb\u901f\u800c\u6709\u6548\u5730\u67e5\u627e\u6240\u9700\u6578\u64da\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u7684\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728SQL Server\u4e2d\u5982\u4f55\u5feb\u901f\u67e5\u627e\u6240\u9700\u4fe1\u606f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u7bc4\u4f8b\u3002<\/p>\n

\u4f7f\u7528SELECT\u8a9e\u53e5\u9032\u884c\u57fa\u672c\u67e5\u8a62<\/h2>\n

\u6700\u57fa\u672c\u7684\u67e5\u8a62\u65b9\u5f0f\u662f\u4f7f\u7528SELECT<\/code>\u8a9e\u53e5\u3002\u9019\u500b\u8a9e\u53e5\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5f9e\u6578\u64da\u8868\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff1a<\/p>\n

SELECT * FROM Customers WHERE Country = 'USA';<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u4f86\u81ea\u7f8e\u570b\u7684\u5ba2\u6236\u4fe1\u606f\u3002\u4f7f\u7528WHERE<\/code>\u5b50\u53e5\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u904e\u6ffe\u51fa\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\u3002<\/p>\n
\u4f7f\u7528LIKE\u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u53ea\u77e5\u9053\u90e8\u5206\u4fe1\u606f\uff0c\u9019\u6642\u53ef\u4ee5\u4f7f\u7528LIKE<\/code>\u904b\u7b97\u7b26\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u67e5\u627e\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b\u201cJohn\u201d\u7684\u5ba2\u6236\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n
SELECT * FROM Customers WHERE FirstName LIKE '%John%';<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b\u201cJohn\u201d\u7684\u5ba2\u6236\uff0c\u7121\u8ad6\u5176\u524d\u5f8c\u6709\u4f55\u5b57\u7b26\u3002<\/p>\n
\u4f7f\u7528JOIN\u67e5\u8a62\u591a\u500b\u8868<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u901a\u5e38\u5206\u6563\u5728\u591a\u500b\u8868\u4e2d\u3002\u4f7f\u7528JOIN<\/code>\u8a9e\u53e5\u53ef\u4ee5\u5c07\u9019\u4e9b\u8868\u9023\u63a5\u8d77\u4f86\uff0c\u5f9e\u800c\u67e5\u8a62\u76f8\u95dc\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500bOrders<\/code>\u8868\u548c\u4e00\u500bCustomers<\/code>\u8868\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u67e5\u8a62\u6bcf\u500b\u5ba2\u6236\u7684\u8a02\u55ae\u4fe1\u606f\uff1a<\/p>\n
SELECT Customers.FirstName, Orders.OrderID \nFROM Customers \nJOIN Orders ON Customers.CustomerID = Orders.CustomerID;<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u4f4d\u5ba2\u6236\u53ca\u5176\u5c0d\u61c9\u7684\u8a02\u55aeID\u3002<\/p>\n
\u4f7f\u7528\u7d22\u5f15\u63d0\u9ad8\u67e5\u8a62\u6548\u7387<\/h2>\n
\u5728\u67e5\u8a62\u5927\u91cf\u6578\u64da\u6642\uff0c\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u901a\u904e\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u7bc4\u4f8b\uff1a<\/p>\n
CREATE INDEX idx_CustomerName ON Customers(FirstName);<\/code><\/pre>\n
\u9019\u6a23\uff0c\u7576\u6211\u5011\u6839\u64da\u5ba2\u6236\u540d\u5b57\u9032\u884c\u67e5\u8a62\u6642\uff0cSQL Server\u5c07\u80fd\u66f4\u5feb\u5730\u627e\u5230\u6240\u9700\u6578\u64da\u3002<\/p>\n
\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u9032\u884c\u8907\u96dc\u67e5\u8a62<\/h2>\n
\u5c0d\u65bc\u9700\u8981\u591a\u6b21\u57f7\u884c\u7684\u8907\u96dc\u67e5\u8a62\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u3002\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u57f7\u884c\u6548\u7387\u4e26\u7c21\u5316\u4ee3\u78bc\u3002\u4f8b\u5982\uff1a<\/p>\n
CREATE PROCEDURE GetCustomerOrders \n    @CustomerID INT \nAS \nBEGIN \n    SELECT * FROM Orders WHERE CustomerID = @CustomerID; \nEND;<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6211\u5011\u53ea\u9700\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u4e26\u50b3\u5165\u5ba2\u6236ID\uff0c\u5373\u53ef\u7372\u5f97\u8a72\u5ba2\u6236\u7684\u6240\u6709\u8a02\u55ae\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728SQL Server\u4e2d\u5feb\u901f\u67e5\u627e\u6240\u9700\u4fe1\u606f\u7684\u6280\u5de7\u5305\u62ec\u4f7f\u7528SELECT<\/code>\u8a9e\u53e5\u3001\u6a21\u7cca\u67e5\u8a62\u3001JOIN<\/code>\u64cd\u4f5c\u3001\u7d22\u5f15\u4ee5\u53ca\u5b58\u5132\u904e\u7a0b\u7b49\u3002\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684VPS<\/code>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a><\/code>\u548c\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u6578\u64da\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5feb\u901f\u67e5\u627eSQL Server\u4e2d\u6240\u9700\u4fe1\u606f\u7684\u6280\u5de7\u4e0e\u65b9\u6cd5\uff0c\u63d0\u5347\u67e5\u8be2\u6548\u7387\uff0c\u8f7b\u677e\u83b7\u53d6\u6570\u636e\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-196243","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196243","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=196243"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196243\/revisions"}],"predecessor-version":[{"id":196244,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196243\/revisions\/196244"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}