Explore the fundamentals of Database Management System (DBMS) architecture and the role of Database Administrators (DBAs) in this comprehensive 73-minute video lecture. Delve into key concepts such as abstraction, three-schema architecture, data views, and database instances. Gain insights into the importance of logical schemas, various data models, and database languages. Learn how application programs access databases and understand the responsibilities of a DBA. Examine DBMS application architectures, including one-tier, two-tier, and three-tier systems. Perfect for students and professionals seeking to enhance their understanding of database management systems and their practical applications.