This document is a report submitted by Md. Golam Sarwar Sojib to Md. Abu Raihan for the Database Management System course at Pundra University of Science & Technology. The report discusses key topics related to database management systems including what data and databases are, the applications of databases, the differences between file systems and database management systems, join operations, database architecture, and the role of database administrators. The 22 page report contains diagrams and explanations of database concepts.