[Forums] Merging rows

The database is about released patches in different databases. 

So something like this 

Patch | Released on | Database
A                   Date               1
B                   Date               1
C                   Date               2
A                   Date               2

I've converted it in the aggregate into:

Patch | Database #1 | Database #2
A          ReleaseDate            
A                                     ReleaseDate

B          ReleaseDate               
C                                     ReleaseDate

Now I want all the ReleaseDate on the same row behind the Patch it belongs to.

Regards,

Martin