Create Database

It is used to create database.

Syntax:- CREATE DATABASE database_name;
Ex:- CREATE DATABASE my_db;

Guide for creation of database:-
 Name should start with an alphabet
Blank space and single quotes are not allowed
Reserve words of that RDBMS/DBMS can not be used as database name

Use a database

 This is used to tell your RDBMS/DBMS that you want to use this database.

Syntax:- USE database_name;
Ex:- USE my_db;