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:


col1 col2 col3
A               B
         X      B


col1 col2 col3  statement
A               B      NULL IS COL2
         X               NULL IS COL1,COL3
A                        NULL IS COL2,COL3
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