A 3.4.2 Data warehouses (HL Only)
Efficient data storage and analysis rely on append-only, subject-oriented, integrated, time-variant, and non-volatile data, optimized for query performance. This section will delve into the crucial concept of data warehouses. As we've already explored fundamental databases and their design, it's time to understand a specialised database system known as a data warehouse. Data warehouses serve distinct purposes...