1. Database & DBMS
  2. Type of DB, SQL & non-sql / (RDBMS vs NRDBMS)
  3. SQL
  4. Tables, Columns(schema), Rows(individual data)
  5. MY First Query

SQL is not Case-Senstive
semi-colon important at every line-end

CREATE DATABASE college;
DROPE DATABASE college;

create table students(
// column_name datatype constraint
id int primary key,
name varchar(50),
age int not null,
);