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Whether it is Oracle, MySQL or MS SQL Server, they all follow the same convention. These are a few questions and answers about Rational Databases. Individuals can download free copies of these database systems for their personal use. Oracle ? oracle.com, MySQL ? mysql.com and finally MS SQL Server ? Microsoft.com.

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.