Output on Condition

Question

I have in two columns as Operation, Station.
Input
Operation  Station
10              a
10              1
10              2       
11              1
11              2
12              1
12              3
14              2
15              1
15              2
15              0I want the Output as
if Operation is 10 then 'a' else
All Opearation and with '1' station so output will be
10    a
11    1
12    1
15    1here not taken Operation '14' beacuse it does not have station '1'
how to make it in OBIEE answers.
Cheers
Nawneet

Answer 1

Just filter by station = 1 and in the station you can use like case when operation=10 then 'a' else 1 end.
else.
unioning the second request with first. in second you can have filter for station as station=1. and in first you can have like operation=10 and station=a
Edited by: kart on Jun 16, 2010 3:51 PM