sqlsvr wrote:

>From the documentation, every query executed against Firebird will be automatically put in a transaction.
>
> So, is there any point in declaring a transaction from the application layer
> (a .NET web application in this case using the Firebird Native Provider)?

Clarity. Unless you specify that you want autocommit, all statements
execute in the same transaction until you commit it or roll it back.
Starting transactions explicitly makes their boundaries obvious to the
next person who tries to extend your code.

Good luck,

Ann