Hi Niki,

> Excuse me for the stupid question.. but what exactly means "to perform a
> sweep"?

A sweep removes unnecessary backversions of records. As Firebird has
a multigenerational architecture, updates, deletes etc. cause the
creation of a record containing the old state.

For a detailed explanation, take a look at page 126 of the Operation
Guide of the Interbase 6 beta docs.


Christian