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Setting default value when creating table

Posted on 2015-02-04
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I am trying to create a table and set a default value for one of the field to 'yyyymm'
the code I am using is

qry_mmyy varchar(6) default (CONVERT(VARCHAR(4),YEAR(getdate()) + CONVERT(VARCHAR(2),MONTH(getdate())))),

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I am getting 2017 still though instead of 201502

any ideas would be welcome

thanks
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Question by:damixa
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Expert Comment

by:Jim Horn
ID: 40589563
-- This is the varchar
SELECT CONVERT(VARCHAR(4),YEAR(getdate())) + RIGHT('0' + CONVERT(VARCHAR(2),MONTH(getdate())),2)

The use of RIGHT('0'.. is required because February will evaluate to 2, and not 02, so to correct this add a zero to the left side and take the right-most two characters.

-- This is an int, assuming you'll want to do math on this value then any numeric is better
SELECT (CONVERT(VARCHAR(4),YEAR(getdate())) * 100) + CONVERT(VARCHAR(2),MONTH(getdate()))
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Jim Horn earned 2000 total points
ID: 40589566
Also, if this value will always derive from something else and never be edited, perhaps a calculated column would be better than a default, or always calculate it in whatever query uses it.
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Expert Comment

by:Scott Pletcher
ID: 40589588
qry_mmyy varchar(6) default CONVERT(varchar(6), getdate(), 112)
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Author Closing Comment

by:damixa
ID: 40589591
Thanks
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by:Scott Pletcher
ID: 40589597
Just to clarify for sure:
I assume you mean "computed column" rather than "calculated column"?
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