At 03:41 AM 15/11/2003 +0000, you wrote:

>thanks a lot !!!!!
>where can i find this information,
>could you tell me about some book

Using Firebird (manual)
Firebird Reference Guide (manual)
Both of these available on the IBPhoenix CD

Firebird release notes for versions 1.0 and 1.5, easiest access is from
www.ibphoenix.com
Also from the Firebird web site, downloads pages.

InterBase 6 beta documentation, currently available from
http://www.aoindustries.com/docs/interbase/
These are PDF files, right-click to download, left-click to view.
especially these books:
LangRef (Language Reference)
OpGuide (Operations Guide)
DataDef (Data Definition Guide)
also, if you need to do API programming:
ApiGuide (API Guide).
plus
SQLRef (SQL Reference, a very large HTML file)

Also (coming soon) "The Firebird Book" by Helen Borrie, publ. Apress
:-))

heLen