A guy who loves fiddling with databases (especially PostgreSQL) and does it for a living. Strong GNU/Linux background, studied math for a while.
Stack Overflow
Q&A for professional and enthusiast programmers
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Server Fault
Q&A for professional system and network administrators
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Mathematics
Q&A for people studying math at any level and professionals in related fields
The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
