laimisnd wrote:

>Can anyone share information how FireBird is implementing read
>consistency?
>
>I am interested in the general model used(i.e. does writers block
>readers and vice versa, etc) and more details like what files or file
>structures are involved internaly by the Firebird.
>

Firebird keeps back versions of records that have been updated or
deleted, and
has a way to determine which version of a record a specific transaction
should
see. Readers don't block writers and writers don't block readers.

Regards,

Ann