RPK wrote: > How is PGSQL Locking compared with Oracle's MVCC? How PGSQL handles > concurreny and how it differs with Oracle's Multi-Version Concurrency > Control (MVCC)? PostgreSQL uses MVCC. http://www.postgresql.org/docs/8.2/static/mvcc.html Joshua D. Drake -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/