i think this is the best option, but here we have to do also a lot of manual work.

Does somebody has a script to create a table from another table...

manually change more then 600 tables, multiple times

then we need to hire some monkeys 🙂

but this will create a new column in the table.

There is already an column wich was a "identity" in interbase.

As example, the column is named diskref, and the max value...