> I want to lock tables via Jaybird. I understood to use "SET
> TRANSACTION" clause for locking tables, then I try it. But the error says
> "GDS Exception. 335544332. invalid transaction handle (expecting explicit
> transaction start).
>
> Can I lock tables via Jaybird ?

In theory you can do this by specifying the table to lock in TPB, but in
JayBird 1.5 there is no possibility to do this without driver modification.
In JayBird 2.0 it will be explicitly available to the client.

Sorry.

Roman