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ORMs promise to hide SQL's complexity—but often hide its power instead. See why raw queries sometimes win.

Slides from an introduction to PostgreSQL talk are now online.

Watch the archived video from the February 9, 2010 San Francisco PostgreSQL User Group meeting.

Brent Simmons ditched Core Data for raw SQLite on iPhone. His experience reveals why ORMs often become bottlenecks in scalable applications.

Watch the San Francisco PostgreSQL User Group's December 2009 meeting on exclusion constraints and advanced PostgreSQL techniques.

Watch the San Francisco PostgreSQL User Group meeting from November 2009, featuring a talk on Tungsten cluster management.

Django's autocommit mode eliminates unnecessary transaction overhead for read-only views while enabling PostgreSQL's efficient INSERT...RETURNING syntax for…

Django's automatic transaction wrapping works, but does it actually make sense for read-only operations?

ORMs make elegant code—until they don't. Watch how object-oriented patterns can quietly multiply your database calls, and learn when to break the rules.