Most Web 2.0 companies still think they need to go it alone on open-source IT. Hi5 just demonstrated why they're wrong. Matt Asay is a veteran technology columnist who has written for CNET, ReadWrite, ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

PostgreSQL is powerful and widely compatible, supporting the complete SQL standard, including transactions, foreign keys, ...