A3.4 Alternative databases and data warehouses (HL only)

This section explores alternative database models and data warehousing strategies used in advanced data management and business intelligence. Students will examine different types of databases—such as NoSQL, object-oriented, and graph databases—and understand their applications in handling diverse and large-scale data. The section also covers the role of data warehouses in supporting decision-making, the use of OLAP and data mining for analyzing trends and extracting insights, and the key features of distributed databases that enable scalable, fault-tolerant data systems across multiple locations.