postgres-intro

Question 1

What is PostgreSQL and what are some alternative relational databases?

Answer 1

An open source database management system.
Alternatives:
-Oracle
-Amazon Aurora

Question 2

What are some advantages of learning a relational database?

Answer 2

"Simple Model. A Relational Database system is the most simple model, as it does not require any complex structuring or querying processes. 
Data Accuracy. 
Easy Access to Data. 
Data Integrity. 
Flexibility. 
Normalization. 
High Security. 
Feasible for Future Modifications."
-https://www.educba.com/relational-database-advantages/

Question 3

What is one way to see if PostgreSQL is running?

Answer 3

sudo service postgresql status