What does pgdump do?
pg_dump is a PostgreSQL command-line utility used for performing logical backups of a PostgreSQL database. It allows you to extract data and schema definitions in a format that can be used to restore the database to a specific state.
Why is it important?
Logical backups are essential for creating a consistent point-in-time snapshot of your database. They are crucial for data recovery, migrating databases, or replicating data across database instances.
How to use pgdump:
pg_dump is a versatile tool with various options. Here's a basic usage example:
pg_dump [option...] [dbname]
Common Options:
-U, --username: The name of the user to connect as.
-h, --host: Database server host or socket directory.
-f, --file: Output file for the dump.
-t, --table: Dump only the named table or tables.
-c, --clean: Output commands to clean (drop) database objects before recreating them.
-v, --verbose: Print detailed progress messages.