WHAT IS DATABASE & DATABASE MANAGEMENT SYSTEM (DBMS)?

DATABASE:

Database is a collection of data in organized manner.

For example -  Detail of students  in  organized manner is also called database of that class.

DATABASE  MANAGEMENT SYSTEM (DBMS) :

Database Management system is computerized system in which user can store data. Delete, modify, add, retrieve operation is available in Database Management System(DBMS).

Some DBMS example like MYSQL,Oracle, RDBMS etc.