SQL vs NoSQL
SQL Databases
 DB Types: PostgreSQL, MariaDB, MySQL, Amazon RDS, Amazon Aurora
  Installing Postgres (Linux/Windows)
  DB Commands
  Create database & connect to it
  List Database, List Tables, Show Table schema
  Create table & insert data, list
  Delete
  SQL Database Issues
  Stored procedures, Function

NoSQL Databases:
  DB Types: Columnar DB, Graph DB(Cypher, GraphDB)

DB Scaling: Replication, Federation, Sharding
DB Schema
Indexing: Forward Index, Reverse Indexing