----- Original Message -----
From: "nibarkins" <nibarkins@...>
To: <IBObjects@yahoogroups.com>


> If I had a table with fields A and B, how could I make the
> combination of fields A and B be unique?
You could create a unique index on fields A and B. The DB engine will only
allow enter values in A and B that match with this index definition.

Luiz.