Check this:
query: Delete From ceroriesgo.salarios Where numero_patrono Not In (Select
numero_patrono From ceroriesgo.patronos)
Seq Scan on salarios (cost=51021.78..298803854359.95 rows=14240077 width=6)
Filter: (NOT (subplan))
SubPlan
-> Materialize (cost=51021.78..69422.58 rows=1032980 width=25)
-> Seq Scan on patronos (cost=0.00..41917.80 rows=1032980
width=25)
These query took a day to finish, how or who can improove better performance
of my PostgreSQL.
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