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In QotD, posted on Aug 6 on ROWCOUNT and table variable


In QotD, posted on Aug 6 on ROWCOUNT and table variable

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Gopi S
Gopi S
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Points: 183 Visits: 325
Hi,
Pls help me on this. In QotD, question posted on Aug 6 on ROWCOUNT, the answer in infinite loop. ie, the condition @i <> 1 always is true . But another sample query as shown below gives expected result which contradicts from while loop.

DECLARE @i float
set @i = .9
set @i = @i + .1

-- Query 1
if @i <> 1
print 'Yes'
else
print 'No'

Answer: No

-- Query 2
if @i = 1
print 'Yes'
else
print 'No'

Answer: Yes

Can anyone pls explain on difference in this two.
Go


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