MS SQL Server is a relational database management
system (RDBMS) was developed by Microsoft.
SQL stands for structured query language which used to
storing, manipulating and retrieving data in databases.
SQL Server is case-insensitive so you can write in
uppercase or lowercase.

We will learn three Most Usable Commands in SQL Server.
1) DDL - Data Definition Language
2) DML - Data Manipulation Language
3) DCL - Data Control Language

The below SQL Server tutorial will help you to learn
MS SQL server basics.