{"id":153771,"date":"2024-11-02T10:13:19","date_gmt":"2024-11-02T02:13:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153771\/"},"modified":"2024-11-02T10:13:21","modified_gmt":"2024-11-02T02:13:21","slug":"%e5%b8%b6%e6%82%a8%e4%ba%86%e8%a7%a3%e4%b8%89%e9%a1%9esql%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153771\/","title":{"rendered":"\u5e36\u60a8\u4e86\u89e3\u4e09\u985eSQL\u5b58\u5132\u904e\u7a0b"},"content":{"rendered":"

\u5e36\u60a8\u4e86\u89e3\u4e09\u985eSQL\u5b58\u5132\u904e\u7a0b<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u57f7\u884c\u8907\u96dc\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u5beb\u7684SQL\u8a9e\u53e5\uff0c\u9019\u4e9b\u8a9e\u53e5\u53ef\u4ee5\u88ab\u591a\u6b21\u8abf\u7528\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u91cd\u7528\u6027\u548c\u57f7\u884c\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e09\u985e\u5e38\u898b\u7684SQL\u5b58\u5132\u904e\u7a0b\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5176\u61c9\u7528\u548c\u512a\u52e2\u3002<\/p>\n

1. \u57fa\u672c\u5b58\u5132\u904e\u7a0b<\/h2>\n

\u57fa\u672c\u5b58\u5132\u904e\u7a0b\u662f\u6700\u5e38\u898b\u7684\u985e\u578b\uff0c\u4e3b\u8981\u7528\u65bc\u57f7\u884c\u7c21\u55ae\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u5982\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u9019\u985e\u5b58\u5132\u904e\u7a0b\u901a\u5e38\u4e0d\u9700\u8981\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u9069\u5408\u7528\u65bc\u57f7\u884c\u55ae\u4e00\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n

CREATE PROCEDURE InsertEmployee\n    @Name NVARCHAR(50),\n    @Position NVARCHAR(50)\nAS\nBEGIN\n    INSERT INTO Employees (Name, Position)\n    VALUES (@Name, @Position);\nEND;<\/code><\/pre>\n
\u4e0a\u8ff0\u7bc4\u4f8b\u5c55\u793a\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u7528\u65bc\u5411\u201cEmployees\u201d\u8868\u4e2d\u63d2\u5165\u65b0\u54e1\u5de5\u7684\u59d3\u540d\u548c\u8077\u4f4d\u3002\u9019\u985e\u5b58\u5132\u904e\u7a0b\u7684\u512a\u9ede\u5728\u65bc\u7c21\u55ae\u6613\u61c2\uff0c\u4e26\u4e14\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n
2. \u53c3\u6578\u5316\u5b58\u5132\u904e\u7a0b<\/h2>\n
\u53c3\u6578\u5316\u5b58\u5132\u904e\u7a0b\u5141\u8a31\u7528\u6236\u5728\u8abf\u7528\u904e\u7a0b\u6642\u50b3\u905e\u53c3\u6578\uff0c\u9019\u4f7f\u5f97\u5b58\u5132\u904e\u7a0b\u66f4\u52a0\u9748\u6d3b\u548c\u53ef\u91cd\u7528\u3002\u901a\u904e\u4f7f\u7528\u53c3\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u57f7\u884c\u76f8\u540c\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u5f9e\u800c\u6e1b\u5c11\u4ee3\u78bc\u91cd\u8907\u3002<\/p>\n
CREATE PROCEDURE GetEmployeeById\n    @EmployeeId INT\nAS\nBEGIN\n    SELECT * FROM Employees\n    WHERE Id = @EmployeeId;\nEND;<\/code><\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u201cGetEmployeeById\u201d\u63a5\u53d7\u4e00\u500b\u54e1\u5de5ID\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u5c0d\u61c9\u7684\u54e1\u5de5\u4fe1\u606f\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002<\/p>\n
3. \u689d\u4ef6\u908f\u8f2f\u5b58\u5132\u904e\u7a0b<\/h2>\n
\u689d\u4ef6\u908f\u8f2f\u5b58\u5132\u904e\u7a0b\u5305\u542b\u4e86\u63a7\u5236\u6d41\u8a9e\u53e5\uff0c\u5982IF\u3001WHILE\u7b49\uff0c\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002\u9019\u985e\u5b58\u5132\u904e\u7a0b\u9069\u5408\u7528\u65bc\u9700\u8981\u9032\u884c\u8907\u96dc\u908f\u8f2f\u5224\u65b7\u7684\u5834\u666f\u3002<\/p>\n
CREATE PROCEDURE UpdateEmployeePosition\n    @EmployeeId INT,\n    @NewPosition NVARCHAR(50)\nAS\nBEGIN\n    IF EXISTS (SELECT * FROM Employees WHERE Id = @EmployeeId)\n    BEGIN\n        UPDATE Employees\n        SET Position = @NewPosition\n        WHERE Id = @EmployeeId;\n    END\n    ELSE\n    BEGIN\n        PRINT 'Employee not found';\n    END\nEND;<\/code><\/pre>\n
\u9019\u500b\u7bc4\u4f8b\u5c55\u793a\u4e86\u4e00\u500b\u689d\u4ef6\u908f\u8f2f\u5b58\u5132\u904e\u7a0b\uff0c\u7528\u65bc\u66f4\u65b0\u54e1\u5de5\u7684\u8077\u4f4d\u3002\u5982\u679c\u6307\u5b9a\u7684\u54e1\u5de5ID\u5b58\u5728\uff0c\u5247\u66f4\u65b0\u5176\u8077\u4f4d\uff1b\u5426\u5247\uff0c\u8f38\u51fa\u201cEmployee not found\u201d\u7684\u63d0\u793a\u3002\u9019\u7a2e\u5b58\u5132\u904e\u7a0b\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u4e0d\u540c\u7684\u696d\u52d9\u908f\u8f2f\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
SQL\u5b58\u5132\u904e\u7a0b\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u57fa\u672c\u5b58\u5132\u904e\u7a0b\u3001\u53c3\u6578\u5316\u5b58\u5132\u904e\u7a0b\u9084\u662f\u689d\u4ef6\u908f\u8f2f\u5b58\u5132\u904e\u7a0b\uff0c\u5404\u81ea\u90fd\u6709\u5176\u7368\u7279\u7684\u61c9\u7528\u5834\u666f\u548c\u512a\u52e2\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u548c\u9748\u6d3b\u6027\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u4f7f\u7528\u9019\u4e9b\u5b58\u5132\u904e\u7a0b\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a>\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u4e09\u985eSQL\u5b58\u5132\u904e\u7a0b\u7684\u7279\u9ede\u8207\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\uff0c\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u8655\u7406\u6d41\u7a0b\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-153771","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153771","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=153771"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153771\/revisions"}],"predecessor-version":[{"id":153772,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153771\/revisions\/153772"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}