Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

Don't be afraid of using your chosen database's command-line client. I might as well say this up front: I don't like using GUI (aka non-command-line or graphical) tools with my databases. This is ...

PostgreSQL was built to handle a wide range of use cases, but flexibility also has a flip side. Make sure you’re not making these all-too-common design, configuration, tuning, and other mistakes. A ...

Replication is one of the most popular features used in RDBMS’s today. Replication is used for disaster recovery purposes (i.e. backup or warm stand-by servers), reporting systems where query activity ...

One of the most interesting trends in the computer world during the past few years has been the rapid growth of NoSQL databases. The term may be accurate, in that NoSQL databases don't use SQL in ...