Today's Data Term *Data Warehouse* This is a centralized repository that stores data from various sources in a single location, making it easier to access, analyze, and report on the data. *Key Characteristics:* 1. *Integrated*: Data from multiple sources is combined into a single repository. 2. *Time-variant*: Data is stored with a timestamp, allowing for historical analysis. 3. *Non-volatile*: Data is not updated in real-time, ensuring stability and consistency. 4. *Subject-oriented*: Data is organized around business subjects, such as customers, products, or sales.