How do I backup and restore a PostgreSQL database?
An example of an AI chatbot conversation about PostgreSQL backup and restore processes.
How do I backup and restore a PostgreSQL database?
To backup a PostgreSQL database, you can use the pg_dump command. For example: pg_dump dbname > backupfile.sql. To restore, use psql like this: psql dbname < backupfile.sql.
What if I want to backup only a specific table?
You can use the pg_dump command with the -t option. For example: pg_dump -t tablename dbname > table_backup.sql.
Can I automate the backup process?
Yes, you can automate backups using cron jobs in Linux. Just schedule the pg_dump command to run at your desired intervals.
What should I do if the restore fails?
If the restore fails, check the error message for clues. Common issues include version mismatches or missing dependencies.
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