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PostgreSQL is a powerful, open-source object-relational database system known for its reliability, feature robustness, and performance. It supports advanced SQL compliance, extensibility, and ACID transactions.
This guide covers PostgreSQL installation and architecture, SQL querying, data types, indexing strategies, constraints, views, stored procedures, replication, partitioning, backups with pg_dump and pg_basebackup, and performance monitoring.
Whether you're a developer integrating Postgres or a DBA managing large clusters, these notes provide a thorough reference for effective PostgreSQL administration and development.