Thank for help Ivan.

But one more question:

> (e.g. you can store 1234567.89 into NUMERIC(6,2))

1234567.89 is NUMERIC(6,2)?

The datadefguide writes(IB6Betadocs/page61) about numeric:

"Example: NUMERIC(10,3) holds numbers accurately in following format:
ppppppp.sss"

Is it right?

Thanks
Sandor
(FB 1.02/W2k)