Databases

This document provides a clear overview of databases and their significance in Library and Information Science. It explains a database as an organized collection of searchable information managed through computer-based systems and supported by DBMS tools. The content describes major types of databases—reference and source databases—and further explains bibliographic, catalogue, referral, numeric, full-text, text-numeric, and multimedia databases with examples. It also highlights the importance of databases in Information Retrieval Systems, emphasizing fast access, organized storage, user-friendly searching, scalability, consistency, and long-term preservation of information. Overall, the document underscores databases as the backbone of effective information retrieval.