What is PostgreSQL?
PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.
PostgreSQL is a tool in the Databases category of a tech stack.
Why developers like PostgreSQL
Relational database
High availability
Enterprise class database
Sql
Sql + nosql
Great community
Easy to setup
Heroku
Secure by default