用sql写一个简单的存储过程语句?
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CREATE procedure Sp_select_Time
@Teacher_ID char(12),
@ReplyTime char(20),
@returnTimeVal int output
as
begin
if exists(select *
from
TeacherReply
where Teacher_ID=@Teacher_ID and ReplyTime=@ReplyTime)
set @returnTimeVal=0
else
set @returnTimeVal=1
end
return
GO
@Teacher_ID char(12),
@ReplyTime char(20),
@returnTimeVal int output
as
begin
if exists(select *
from
TeacherReply
where Teacher_ID=@Teacher_ID and ReplyTime=@ReplyTime)
set @returnTimeVal=0
else
set @returnTimeVal=1
end
return
GO
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什么意思？是增删改查的存储过程？
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