Re: Which Join is better - Mailing list pgsql-performance

From Maria Arias de Reyna
Subject Re: Which Join is better
Date
Msg-id 201108020847.03199.marias@emergya.es
Whole thread Raw
In response to Which Join is better  (Adarsh Sharma <adarsh.sharma@orkash.com>)
List pgsql-performance
El Martes 02 Agosto 2011, Adarsh Sharma escribió:
> Dear all,
>
> Just want to know which join is better for querying data faster.
>
> I have 2 tables A ( 70 GB ) & B ( 7 MB )
>
> A has 10 columns & B has 3 columns.Indexes exist on both tables's ids.
>
> select p.* from table A p, B q where p.id=q.id
>
> or
>
> select p.* from table B q , A p where q.id=p.id
>
>
> Thanks


Hi Adarsh,

What does a "EXPLAIN ANALYZE" say after a VACCUM?

--
María Arias de Reyna Domínguez
Área de Operaciones

Emergya Consultoría
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Fax: +34 954 51 64 73
www.emergya.es

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