Ismael L. Donis García wrote:

> unsuccessful metadata update
> key size exceeds implementation restriction for index "PK_AFTUSUARIO"
>
> Which is the maximun length of the fields for an index?

http://www.firebirdfaq.org/faq211
http://www.firebirdfaq.org/faq212

You can use this online calculator to find out how big the index wouldl
be with desired columns:

http://www.volny.cz/iprenosil/interbase/ip_ib_indexcalculator.htm


--
Milan Babuskov

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