> Before anyone expends energy on trying to solve this for you, may I ask why
> you need two separate queries, apparently in two separate
> transactions? The conventional way to do the operation you describe is to
> have one dataset and, if special SQL is needed for the update, to apply it
> using the custom EditSQL property...

The resason of using two separate TIB_Queries is that
update and refresh operations are performed on separate
computers and notifications about updates are sent over
network from client computer, where updates have been
performed to all other clients (DML caching is not apropriate
for me).

Regards, vicser

mailto: vicser@...