postgres-intro

Question 1

What is PostgreSQL and what are some alternative relational databases?

Answer 1

PostgreSQL is a free and open-source object-relational database management system. some other relational databases are MySQL, SAP Hana, Microsoft SQL Server..

Question 2

What are some advantages of learning a relational database?

Answer 2

relational databases are probably the most widely used kind of database, and knowing SQL language is a very portable skill, because there are many relational database driven driven by almost the same language.

Question 3

What is one way to see if PostgreSQL is running?

Answer 3

you can use “top” command to see the current processes.