游标 cursor 使用方法
时间：2011-05-17 来源：Ping Lee
declare mc cursor for SELECT [id],[name] ,[age] FROM [tb]
DECLARE @id nvarchar(50)
DECLARE @name nvarchar(50)
DECLARE @age int
open mc
fetch next from mc INTO @id,@name,@age
while @@fetch_status = 0
Begin
select @id,@name,@age
fetch next from mc INTO @id,@name,@age
end
close mc
deallocate mc
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