Postgres by design has no "built-in" replication solution. Some consider this a good thing, as replication is means many things to many people. Learn just what replication can mean, whether you should consider using it, and all of the various free and commercial options available today.

Replication solutions discussed will include pg_dump, DRBD, log shipping/warm standby, hot standby, Skytools, Slony, pgpool-II PGCluster, Bucardo, Mammoth Replicator, uni/cluster, Daffodil Replicator, and Postgres-R.