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Data

What is Data Warehouse?

A data warehouse is a system optimised for analytical queries over large volumes of structured data, consolidating information from many sources into one place for reporting and BI. Examples include Snowflake, BigQuery and Redshift.

Warehouses separate analytics from operational databases so heavy queries do not slow down applications. They are the central source of truth for metrics, and increasingly the transform layer (ELT) and feature source for AI.

Related terms

Data Lake Feature Store Data Pipeline Vector Database

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Guides & pillars

Enterprise Data Engineering
The architecture discipline behind trustworthy data: the modern data stack, warehouse vs lakehouse, ELT pipeli...

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