postgres

• Store encrypted user data in database
• pgcrypto

bash
echo localhost:5432:dbname:username:password > ~/.pgpass
chmod 600 ~/.pgpass
pg_dump -U postgres

• pg_dump
• Password file

sql
SELECT pg_size_pretty( pg_database_size('dbname') );
SELECT pg_size_pretty( pg_total_relation_size('schemaname.tablename') );