A SQL date conversion problem, not very clear

Source: Internet
Author: User

Select Space (8) as FSRQ into #test0 where 0 = 1

DECLARE @fsrq char (8)
Set @fsrq = ' 20141111 '
While convert (char (8), @fsrq, <=) ' 20141211 '
Begin
Insert #test0 (FSRQ) Select CONVERT (char (8), @fsrq, 112)
Select @fsrq = DATEADD (day, 1, @fsrq)
End

SELECT * FROM #test0

Such a piece of code, into the dead loop, the code changes to the following this, but also cannot jump out.

Select Space(8) asFsrq into#test0where 0 = 1  Declare @fsrq Char(8)  Set @fsrq='20141111'   while @fsrq <= '20141211'    begin      Insert#test0 (FSRQ)Select @fsrq      Select @fsrq = DateAdd( Day,1,@fsrq)      Select @fsrq = Convert(Char(8),@fsrq, the)    End   Select *  from#test0

In fact, the first one has to replace char (8) with a datetime type.

I was wrong, please twos.

  

An SQL date conversion problem, not very clear

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