PostgreSQL Documentation
The world's most advanced open-source relational database.
What is PostgreSQL?
PostgreSQL is a powerful, standards-compliant relational database with deep SQL support, extensibility, JSON, full-text search, and a reputation for reliability.
Smart Stack indexes the official PostgreSQL documentation and keeps it current, so you can search it directly or ask questions in plain language. Because answers are grounded in the real pages — not a model's training data — you get correct, version-aware APIs instead of plausible-looking guesses.
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