On Sun, 2024-03-10 at 16:49 +0530, Rajesh Kumar wrote:
> I have a table where size is increasing daily. In that table only inserts and
> deletes happens. This table is referencing 15 other tables. We have given
> delete cascade, so if a row is deleted in parent table, the matching records
> will also be deleted in those child tables.
>
> It is taking lot of time to delete. So, I am planning to create index on those child tables.
>
> My question is, apart from inserts, I am only going to delete records from those
> tables. How index improves performance for deleting records? How index is affected
> or how to do index management in this case?
https://www.cybertec-postgresql.com/en/index-your-foreign-key/
Yours,
Laurenz Albe