Using Column Created in Select Statement with 'AS'

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Using Column Created in Select Statement with 'AS'

Author

Topic

batcater98
Starting Member

22 Posts

Posted - 2008-07-30 : 15:55:13

I have a select statement that creates new columns derived from other table items. I then want to use those created columns in the same select statement to create more.

Example:

select sum(e.val1 * e.val2/100) as Key1, Key1 / e.val2 as Key3

I can do this in access, but can not figure out how to do the same thing in MSSQL.

I want to use the value created and stored in Key1 to make Key3.

Is this possible in MSSQL?

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The Dark Knight
-Give What is Right, Not What is Left-

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-07-30 : 15:59:46

You can do it with a derived table:

select key1, key1/e.val2 as key3
from
(select sum(e.val1 * e.val2/100) as Key1) t
...

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2008-07-31 : 04:11:13

or use the expression in place of column

select sum(e.val1 * e.val2/100) as Key1, sum(e.val1 * e.val2/100) / e.val2 as Key3

Madhivanan

Failing to plan is Planning to fail

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