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DATALENGTH


DATALENGTH

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ssismaddy
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Comments posted to this topic are about the item DATALENGTH
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Nice to be reminded of the basics - hence a good question

If everything seems to be going well, you have obviously overlooked something.

Ron

Please help us, help you -before posting a question please read

Before posting a performance problem please read
Koen Verbeeck
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It is a good question about the basics, but not a very original one. I believe this sort of question has already been asked multiple times.



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good one... thanks...:-)
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I would have had to give it a little more consideration if the options had included 1,3 and 3,1.
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da-zero (8/23/2010)
It is a good question about the basics, but not a very original one. I believe this sort of question has already been asked multiple times.


I'd say at least 10 times, and then some for a couple more gotchas. I don't mind anual review but monthly and more seems like a bit too much ofr my taste.
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This question proves that what I am learning on QoTD is actually sticking. Thanks.
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Interesting that this does not work the same way.

select datalength(convert(varchar, getdate(), 101))



JF1081
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At first I thought 3,1, but since that was not an option I came to my senses and realized that varchar does not adjust if the string is too big.
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kevin.l.williams (8/23/2010)
Interesting that this does not work the same way.

select datalength(convert(varchar, getdate(), 101))


See http://msdn.microsoft.com/en-us/library/aa258242(v=SQL.80).aspx.

When n is not specified with the CAST function, the default length is 30.




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