Drill Down - What is drill up and drill down?

Q: What is drill up and drill down?

Drill Down and Drill Up (also known as Data Drilling) means to navigate in hierarchical dimensions of data stored in Data Warehouses. ... Drill Down is used within Online Analytical Processing (OLAP) to zoom in to more detailed data by Changing Dimensions. Drill Up means to zoom out stepwise (also known as roll up)

Answer

Data Drilling, which entails going "down" and "up" in a hierarchical structure, is a way to access information held in data warehouses. Online Analytical Processing (OLAP) makes use of Drill Down to change dimensions and get more comprehensive data. To roll up or "drill up" means to gradually enlarge the view.

Drill Down - What is drill up and drill down?

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