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yogyogi97
yogyogi97
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Comments posted to this topic are about the item Data Type
Ford Fairlane
Ford Fairlane
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tough one for weeks end

Hope this helps...

Ford Fairlane
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palotaiarpad
palotaiarpad
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Shouldn't be the first column binary? Or is the datatype precedence not applied here?
Danny Ocean
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Good question, but Explanation is not completed or require more details.
I think hugo can help us.

Thanks
Vinay Kumar
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kapil_kk
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Danny Ocean (5/10/2013)
Good question, but Explanation is not completed or require more details.
I think hugo can help us.

Right Vinay :-P

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Koen Verbeeck
Koen Verbeeck
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Interesting question, thanks.


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yogyogi97
yogyogi97
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Danny Ocean (5/10/2013)
Good question, but Explanation is not completed or require more details.
I think hugo can help us.


I tried hard to explain it but I could not explain it will. I also had searched for where it is documented but could not find it Sad . Waiting if someone can put thought on this.
Igor Micev
Igor Micev
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Good question!
Thanks

Igor Micev,
SQL Server developer at Seavus
My blog: www.igormicev.com
mickyT
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Good question ... went against my gut feel
Hugo Kornelis
Hugo Kornelis
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Danny Ocean (5/10/2013)
Good question, but Explanation is not completed or require more details.
I think hugo can help us.


Unfortunately, I can't. This is not consistent at all. In many other cases, SQL Server will complain when it has to conjure a data type for nulls out of thin air, and it would have made much more sense if it did so for this case as well.
(For example, compare "SELECT COALESCE(NULL, NULL);" with "SELECT COALESCE(NULL, CAST(NULL AS varchar(10)));")

I suspect that the reason it defaults to int is purely some internal implementation issue - int is probably first or last in some internal list that happens to be used here.


Hugo Kornelis, SQL Server MVP
Visit my SQL Server blog: http://sqlblog.com/blogs/hugo_kornelis
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