troubleshooting Question

find null and all the null column in one select query

Avatar of lisha
lisha asked on
DatabasesOracle Database* InformixSQL
3 Comments1 Solution107 ViewsLast Modified:
Hi ,
I have a table table A having column col1,col2,col3,col4

I want to select the data in the table which has null values but with a statement which shows that what are the column having null values as below example:

INPUT:

col1 col2 col3
A               B
         X      B
A              

OUTPUT:

col1 col2 col3  statement
A               B      NULL IS COL2
         X               NULL IS COL1,COL3
A                        NULL IS COL2,COL3
ASKER CERTIFIED SOLUTION
Join our community to see this answer!
Unlock 1 Answer and 3 Comments.
Start Free Trial
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 1 Answer and 3 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros