Mohanty, Geeta2018-03-232018-03-231998-03-0481-900825-1-5http://hdl.handle.net/1944/2238The software that allows one or more persons to use, store, delete, modify and retrieve data that is stored in a database is a Data Base Management System (DBMS). Basic characteristics of DBMS are: Data Manipulation Language (DML), Data Definition Language (DDL), Data Base Manager. The author provides a schematic representation of a DBMS system and mentions its components i.e. entity set, attributes / keys, and relationship. The DBMS enables a user to create and update files, to select, retrieve and sort data and to generate reports. Therefore, the DBMS is a vital part of the information management in libraries.enLibrary UsageData Manipulation LanguageData Definition LanguageData Base Management SystemArticle