SQL Server存储过程命名标准

         @pstrClientID VARCHAR(6) = 'CABLE',
         @pstrCategoryID VARCHAR(6) = '<All>',
         @pstrEmpID VARCHAR(6)='AC',
         @pdteDate datetime = '1996/1/1',
         @curRate MONEY OUTPUT

AS

-- Description: Get the $Rate for this client and this employee
--         and this category from Table ClientRate

SET @curRate = (
                SELECT TOP 1 Rate
                FROM ClientRate
                WHERE ClientID=@pstrClientID
                AND EmpID=@pstrEmpID
                AND CategoryID=@pstrCategoryID
                AND DateEnd > @pdteDate
                ORDER BY DateEnd
               )

IF @curRate IS NULL

         SET @curRate =
(
                SELECT TOP 1 Rate
                FROM ClientRate
                WHERE ClientID=@pstrClientID
                AND EmpID=@pstrEmpID
                AND CategoryID='<ALL>'
                AND DateEnd > @pdteDate
                ORDER BY DateEnd
               )

RETURN