AI engineering glossary · Data engineering

What is DWH (data warehouse)?

Data warehouse (also called DWH, EDW): A central database designed for analysis rather than day-to-day transactions. It stores cleaned, structured, historical data from many sources in a consistent model so analysts can run large aggregate queries quickly and trust the numbers.

Level: beginnerTopic: Data engineering

Data warehouse: an example

A company's finance team queries a warehouse holding five years of sales, returns and inventory from separate systems to build quarterly reports.

Related terms

More Data engineering terms

Where you learn it

Data warehouse is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

Before you go

Take the cheat sheet with you

One free PDF: the key AI-engineering terms, formulas and Python idioms. No spam; unsubscribe any time.