Tom Allison <[EMAIL PROTECTED]> writes:
> I have ~250K rows in this table.
> the token_idx is referenced in two other tables, both of whom have a  
> foreign key constraint to ON DELETE CASCADE.
> Of the other two tables, one has ~1M rows and the other ~350K rows.   

> Problem:
> Deleting one row can take 2 seconds.

> Is there something I can do to improve the speed.

Put indexes on the referencing columns.  Without that, a seqscan is
required to look for referencing rows.

                        regards, tom lane

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