BrushBefore Quick revision. Clear recall. Better interviews.
Back to search

What is a data warehouse?

A data warehouse is a system optimized for analytical queries over integrated, historical business data.

ETL / Data Engineering Easy Theory

What is a data warehouse?

A data warehouse is a system optimized for analytical queries over integrated, historical business data.

  • Read-heavy analytics store
  • Often columnar
  • Different goals from OLTP databases
#analytics #etl #warehouse

What is a data warehouse?