Hi,
I'am searching for a few day to a spec. query can someone help me?
table A:
R1 R2 R3
a - 6 - z
d - 2 - p
a - 5 - y
g - 8 - w
d - 6 - w
I need:
R1 R2 R3
a - 6 - z
d - 6 - w
g - 8 - w
I 've allready try this query
Select R1,max(R2),R3 from a group by R1
R1 R2 R3
a - 6 - z
d - 6 - p...