Re: optimisation for a table with frequently used query - Mailing list pgsql-general

> SELECT * from my_table where id_1 = x and id_2 = y;
>
> Neither id_1 or id_2 or the combination of them is unique. I expect
> this table to become large over time.

Create an index on (id_1, id_2), or (id_2,id_1).