Query to generate report in order

Question

Hi ,
I want to generate report in below order using sql query. In this col2, col3 and col4 will have only 1 value at time remaining will be NULL. What i want is i want to group by Axx or Bxx or Cyy in a specific order based on col2, col3 and col4. please help me
Result:
Example
col1 col2 col3 col4
100 Axx <null> <null>
200 <null> Axx <null>
300 Axx <null> <null>
400 <null> Bxx <null>
500 Bxx <null> <null>
600 <null> Cyy <null>
.........

Answer 1

Naga wrote:
Hi ,
I want to generate report in below order using sql query. In this col2, col3 and col4 will have only 1 value at time remaining will be NULL. What i want is i want to group by Axx or Bxx or Cyy in a specific order based on col2, col3 and col4. please help me
Result:
Example
col1 col2 col3 col4
100 Axx <null> <null>
200 <null> Axx <null>
300 Axx <null> <null>
400 <null> Bxx <null>
500 Bxx <null> <null>
600 <null> Cyy <null>
.........Thanks for not posting the original data or explaining clearly ({message:id=9360002})
It sounds like you want something like...
group by coalesce(col2,col3,col4)
order by coalesce(col2,col3,col4), col1