: This involves taking a periodic "base backup" and continuously saving WAL files. If a failure occurs, you can "replay" the WAL files to restore the database to any specific second in the past.
A robust backup strategy is the foundation of any reliable database architecture. In PostgreSQL, backups are not just about copying data; they are about ensuring business continuity, meeting compliance requirements, and protecting against everything from accidental deletions to catastrophic hardware failures. Core Backup Types in PostgreSQL postgresql backup
: The most common tool is pg_dump for a single database or pg_dumpall for an entire cluster. Pros : : This involves taking a periodic "base backup"