PostgreSQL database sql

Just look at new features:

• Greatly improved performance consistency, through HOT, Load Distributed Checkpoint, JIT bgwriter, Asynchronous Commit, and other features.
• TSearch2 full text search integrated into the core code with improved syntax and ease of adding custom dictionaries.
• SQL:XML syntax.
• Logging to database-loadable CSV files.
• Automated rebuilding of cached plans.
• ENUMs, UUIDs and arrays of complex types.
• GSSAPI and SSPI authentication support.
• … and many others