Hi,

> Today, I face a problem with my database.
>
> Yesterday night, table A contains:
>
> Part_no Part_name
> ===============
> A001 Part A001
> A002 Part A002
> A003 Part A003
>
> This morning, when I will start to entry, I see table A contains:
>
> Part_no Part_name
> ===============
> A001 Part A002
> A002 Part A003
> A003 Part A004
>
> How this can be? Is my database corrupted?

Or someone updated your table.

> Btw, how to check a database corrupted or not?

You can validate your database with the command line tool "gfix".

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com