--- In ib-support@y..., "Jason Chapman (JAC2)" <jason@j...> wrote:
> It uniquely identies the row of data in the database, as far as I
am aware
> it is comprised of
> the page within the database || the offset of the the data within
the page.
>
> If you select it is guarenteed for the life of the transaction, but
may
> change over time, e.g. as page splits occur / inserts etc.
>
> Because it is a direct map to the page and offset and is DB Unique,
it is a
> very fast way of returning to a record in a database. I think that
it is
> also stored in the index to allow the index navigation to quickly
goto (1
> hop) to the data.
>
> JAC.
>
>
> "Duilio Foschi" <dedalus@y...> wrote in message
> news:3.0.1.32.20020121114920.0068dd20@y...
> > what is the db_key field that I often find at the end of a table
structure
> ?
> >
> > Thank you
> >
> > Duilio
> >
> >
> >
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