addition of columen - SQL Server Forums

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addition of columen

Author

Topic

acdacd
Yak Posting Veteran

63 Posts

Posted - 2005-08-17 : 08:57:28

Dear all,
It work!
select Case lang1
when 'Chinese' then 10
else 20
end as abc,

lang1spoken,

([ID]*2 + Convert(int, lang1spoken))
from Job_Req_lang

It fail
select Case lang1
when 'Chinese' then 10
else 20
end as abc,

lang1spoken,

([ID]*2 + Convert(int, abc))
from Job_Req_lang

What is the problem?
How to solve it?

be a hardworking people!!

Kristen
Test

22859 Posts

Posted - 2005-08-17 : 09:03:18

What error are you seeing?

What data type is "abc"? Perhaps it does not contain bvalid INTs?

Kristen

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2005-08-17 : 09:03:33

You need to use derived table

Select abc,([ID]*2 + Convert(int, abc)) from(
select [ID],Case lang1 when 'Chinese' then 10 else 20 end as abc, lang1spoken
from Job_Req_lang) T

Madhivanan

Failing to plan is Planning to fail

acdacd
Yak Posting Veteran

63 Posts

Posted - 2005-08-17 : 09:20:02

Thx
The problem is that the abc is the orginal col name of table, derived Table solve this problem

be a hardworking people!!

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