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 Tfno: +34 954 51 75 77 / +34 607 43 74 27 Fax: +34 954 51 64 73 www.emergya.es -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
