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What is Warehouse Types about?

A data warehouse is a centralized repository for integrated, historical data that supports decision-making processes. It can be designed using top-down, bottom-up, or combined approaches, and utilizes schemas like star, snowflake, or fact constellation for organization. Key processes include extraction, transformation, and loading (ETL) of data, with distinct differences between Online Analytical Processing (OLAP) and Online Transaction Processing (OLTP) systems.

Author
abhireg
Language
EN