CS6302 Database Management Systems Important questions

CS6302 Database Management Systems Important questions Regulation 2013 Anna University free download. Database Management Systems CS6302 Important questions pdf free download.

Sample CS6302 Database Management Systems Important questions:

1. Who is a DBA? What are the responsibilities of a DBA? April/May-2011

A database administrator (short form DBA) is a person responsible for the design,
implementation, maintenance and repair of an organization’s database. They are also known by the titles Database Coordinator or Database Programmer, and is closely related to the Database Analyst, Database Modeller, Programmer Analyst, and Systems Manager. The role includes the development and design of database strategies, monitoring and improving database performance and capacity, and planning for future expansion requirements. They may
also plan, co-ordinate and implement security measures to safeguard the database (CS6302 Database Management Systems Important questions)

2. What is a data model? List the types of data model used. April/May-2011

A database model is the theoretical foundation of a database and fundamentally determines in which manner data can be stored, organized, and manipulated in a database system. It thereby defines the infrastructure offered by a particular database system. The most popular example of a database model is the relational model.
Types of data model used
 Hierarchical model
 Network model
 Relational model
 Entity-relationship
 Object-relational model
 Object model (CS6302 Database Management Systems Important questions)

3. Define database management system?

Database management system (DBMS) is a collection of interrelated data and a set of programs to access those data.

(CS6302 Database Management Systems Important questions)