I make query to get customer information:
For example i would like to know from what catalogue client made orders and after query i get:
client1 ABC
client1 BCD
client1 DDD
So i would like to put all those catalogues into 1 row:
client1 ABC, BCD, DDD
SELECT clientid, catalogue FROM A
INNER JOIN B ON A.A=B.A
WHERE orderdate > '20110101'
Is it possible to make it so?
What should i use for it?
Thank you!