"Fundamentals of Database Systems (6th Edition)" by Ramez Elmasri and Shamkant B. Navathe is a comprehensive textbook that provides an in-depth introduction to the principles and practices of database systems. It covers essential topics such as database design, data modeling using Entity-Relationship (ER) diagrams, relational database management systems (RDBMS), SQL (Structured Query Language), normalization, and transaction management. The book emphasizes both theoretical foundations and practical applications, making it suitable for students and professionals in computer science and information systems. Additionally, it includes updated content reflecting current trends in database technology, including big data and NoSQL databases, while providing numerous examples, exercises, and case studies to enhance understanding and reinforce learning.