troubleshooting Question

SQL Server function to check for null and spaces

Avatar of Milind Agarwal
Milind AgarwalFlag for United States of America asked on
Microsoft SQL ServerMicrosoft SQL Server 2005Microsoft SQL Server 2008
3 Comments2 Solutions121 ViewsLast Modified:
Hello Experts,
I am using ISNULL function to get the column to populate from two columns which do not have a Null.

Example ISNULL(ColumnA,ColumnB) as ABC  Polulates ColumnB Value in the Column 'ABC' when columnA is null. Now we have some rows in columnA that is empty space like ' ' instead of a Null.  What changes do I need to make to my SQL so it will populate ColumnB value in ABC when the ColumnA is an empty space instead of a null.

Issue is below:

ColumnA    ColumnB     ABC
  NULL           Hello         Hello
  '  '                 Hello          '   '

Expected Solution

ColumnA    ColumnB     ABC
  NULL           Hello         Hello
  '  '                 Hello         Hello

Thanks in advance
SOLUTION
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