Just create a descending index,
Set

tir. 4. feb. 2020 kl. 12:36 skrev Matthias Winkler spmm...@gmail.com
[firebird-support] <firebird-support@yahoogroups.com>:

>
>
> Hello,
>
> I am struggling with my DB performance once more:
>
>    SELECT FIRST(1) PRIMKEY
>    FROM TABLE_X
>    ORDER BY PRIMKEY DESC
>
> The statement is slow once more because of the sorting.
> I just want to find the entry with the highest primary key.
> The PRIMKEY is ASC and unique.
>
> Is the another way to achieve the same?
>
> Thanks
>
> Matthias
>
>
>
> 
  • [firebi... Matthias Winkler spmm...@gmail.com [firebird-support]
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