INTRODUCTION TO DBMS

Database management system can be described as one of the most rapidly gaining areas and information sciences. Database management system is nothing more than computer based record keeping system i.e., a system whose overall purpose is to record and maintains information. Need of DBMS: DBMS is the key for solving the problems of information management. In general, a DBMS must be able to reliably manage the large amount of data in a multi-user environment. So that many users can currently access the same data. All these must be accomplished while delivering high performance to the user of the database. The database management system the central control of the data the advantages. • Redundancy can be reduced • Inconsistency can be avoided • The data can be made sharable • Standards can be enforced • Security restrictions can be applied • Integrity can be maintained A DBMS must also be secured from unauthorized access and provided efficient for failure recovery.