Hi Tom,
Is there something that I can do to improve the performance of such
queries (where ordering is done based on child table column and join
is left join)? Maybe a combined index or something like that? Or is it
possible to modify the query to get same result but execute faster.
One ad-hoc opt
Nandakumar M writes:
> I am having a query that has an order by and a limit clause. The
> column on which I am doing order by is indexed (default b tree index).
> However the index is not being used. On tweaking the query a bit I
> found that when I use left join index is not used whereas when I u
Hi,
I am having a query that has an order by and a limit clause. The
column on which I am doing order by is indexed (default b tree index).
However the index is not being used. On tweaking the query a bit I
found that when I use left join index is not used whereas when I use
inner join the index i