PostgreSQL is world best open source database. PostgrSQL is RDBMS database like Oracle . The main advantage of PostgreSQL is that it’s open source and free. Moreover, PostgreSQL provides comparable features like Oracle. Today, I came across an useful PostgreSQL Database Administration commands series. I would highly recommend following articles for the beginners to get hands on experience quickly in the PostgreSQL database administration.
Here are the links:
I hope these articles will help you to start your career in PostgreSQL database administration.