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What is OLAP in Data Warehousing Explained about?

A data warehouse is a specialized database designed for decision support, integrating historical data from various sources for analysis. It is characterized by being subject-oriented, integrated, time-variant, and nonvolatile, allowing for efficient Online Analytical Processing (OLAP). The architecture typically consists of three tiers: a bottom tier for data storage, a middle tier for OLAP processing, and a top tier for user interaction and reporting.

Author

Sparsh Rastogi

Language

EN