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SQL,标量值函数的调用_mssql学习_编程技术

Writer: delv Article type: Programming skills(编程技巧) Time: 2013/12/30 4:38:08 Browse times: 402 Comment times: 0

SQL,标量值函数的调用_mssql学习_编程技术


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SQL 标量值函数的调用_mssql学习_编程技术-你的首页-uuhomepage.com调用 MS SQL 标量值函数,应该在函数前面加上 "dbo.",否则会报 “不是可以识别的 内置函数名称”错误。例如 DECLARE @WhichDB TINYINT; SELECT @WhichDB = user_GetWhichDB(1);--看看是哪个数据库的=================================================--标量值函数ALTER FUNCTION [dbo].[user_GetWhichDB]( @UserId INT = 0)RETURNS TINYINTWITH EXECUTE AS CALLERASBEGIN DECLARE @WhichDB TINYINT; SET @WhichDB = 1; IF @UserId >= 115098 SET @WhichDB = 2; RETURN (@WhichDB);END




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