> EXPLAIN ANALYZE select count(*) from "Data" where "IDOrigin"='29';
> NOTICE: QUERY PLAN:
>
> Aggregate (cost=108945.77..108945.77 rows=1 width=0) (actual
> time=108845.29..108845.30 rows=1 loops=1)
> -> Seq Scan on Data (cost=0.00..107152.11 rows=717462 width=0) (actual
> time=18233.46..106927.60 rows=1457826 loops=1)
> Total runtime: 108845.50 msec.
Well, do you have an index on Data.IDOrigin ?
Regards,
Bjoern
