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How to filter empty and null values on a query ?

Posted on 2009-04-01
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Last Modified: 2012-05-06
HI
I need to perform a query comparing a field agaist NULL and empty values, something like:

if ID_EMPLOYEE is not NULL or is NOT empty then....

How to do that ?

Thanks in advance
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Question by:dimensionav
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LVL 11

Expert Comment

by:N R
ID: 24041799
select isnull(ID_EMPLOYEE)
from table
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Accepted Solution

by:
BrandonGalderisi earned 500 total points
ID: 24041927
What DB Engine?

SQL Server:

select *from SomeTable
where nullif(id_employee,'') <> ''

or

select *from SomeTable
where id_employee is not null
and len(id_employee)>0
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