This chapter is dedicated to all database administrators and to those who want to become PostgreSQL administrators. Database administration can be either a simple or a difficult task, depending on the demands your database has to face and the level of security you have to provide.
PostgreSQL is indeed a database system that can easily be administered as long as the database administrator (DBA) understands the basic concepts of databases, backup strategies, and security issues. Security demands are always increasing and it is necessary to have a high standard for security, even if your database is only used in a protected environment. But let's get to some practical stuff.