PL⼀SQL的问题

2025-03-11 01:33:34
推荐回答(1个)
回答1:

CREATE FUNCTION sf_valid_cust(
@CID char(16)
)RETURNS bigint
AS
BEGIN
DECLARE @re int
SET @re=0
SELECT @re=count(CID)
FROM 客户表 where CID=@CID
RETURN(@re)
END