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create proc test_proc2
as
select xs.xh,xsxm,kcm,cj from xs,kc,xk

exec test_proc2 ' ',' ',' ',' ' --''ÀïµÄ¾ßÌå²ÎÊýÎÒûд

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create pro test_proc3 
@xsxh char
as
select avg(cj) from xk where xh=@xsxh group by kch
print cj
exec '050202104'
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SQL code:

create pro test_proc3
@xsxh varchar(20),
@cj numeric(8,2) output
as
select @cj=avg(cj) from xk where xh=@xsxh
go
--µ÷ÓÃ
declare @n numeric(8,2)
exec test_proc3 '050202104',@cj=@n output
select @n



SQL code:
--1.

create proc test_proc2
@²ÎÊý ²ÎÊýÀàÐÍ
as
select xs.xh,xsxm,kcm,cj from xs,kc,xk where Á¬½ÓÌõ¼þ and ²ÎÊýÁÐÃû=@²ÎÊý
GO

exec test_proc2 ' ',' ',' ',' ' --''ÀïµÄ¾ßÌå²ÎÊýÎÒûд

--2.

create pro test_proc3
@xsxh varchar(20),
@avgcj int out
as
select @avgcj=avg(cj) from xk where xh=@xsxh group by kch
GO
declare @avgcj int
exec '050202104',@avgcj out
print @avgcj


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