Interview Questions - DBMS Basics

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1.
What is database?
A database is a logically coherent collection of data with some inherent meaning, representing some aspect of real world and which is designed, built and populated with data for a specific purpose.

2.
What is DBMS?
It is a collection of programs that enables user to create and maintain a database. In other words it is general-purpose software that provides the users with the processes of defining, constructing and manipulating the database for various applications.

3.
What is a Database system?
The database and DBMS software together is called as Database system.

4.
What are the advantages of DBMS?
  1. Redundancy is controlled.
  2. Unauthorised access is restricted.
  3. Providing multiple user interfaces.
  4. Enforcing integrity constraints.
  5. Providing backup and recovery.