>I have created a table with 10000 records in Firebird and a simple select * is slow. Over network @ 100 Mbps it takes a long time to fetch 10000 rows. The same is a snap in SQL Server or Mysql and only slightly slower in Postgre.
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>Am I doing something wrong? I didn't change any settings after Firebird installation.

A table scan over the net will take a while. Try being more specific with your SQL if possible.
Try not to use the *