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