Dimitry Sibiryakov wrote:

>
> Ivan, sorting in Firebird has one vulnerability: it operates with
> uncompressed records, so if you have field VARCHAR(30000), filled with
> average 100 characters, sorting may be inefficient because every time
> during merge it will move 30000 bytes. Ordered reading won't.
>

Just to clarify, the sort in Firebird operates on the selected fields
uncompressed, not on the whole record.


Best regards,

Ann