Hello Martijn,

> Any INSERT/etc will use auto-commit by default, unless a
> transaction has been started.
>
> Any new statement will use the last started transaction, unless you
> explicitly tell it to use another.

The more I look at SqlExpr.pas, the more I think, this is not a
programming highlight (...).

So if I don't start a transaction myself, then you start one in the
driver and I have no control, over this transaction through dbExpress?

And how can I set the transaction for a TSQLDataSet ?

cu Christian