Hi,
please I need a query that performs the following:
I have a table like this:
set_id | rec_id
10 | 1
10 | 25
10 | 32
20 | 61
20 | 90
30 | 77
Now I have suppose rec_id = 61 and rec_id = 90 I need to get the set_id that consist of both which is 20 .
set 20: (61,90).
Thank u in advance