AI engineering glossary · Data engineering
What is OLAP?
OLAP (also called Online analytical processing): Online analytical processing: workloads that run complex queries summarising large volumes of historical data, such as totals by region and month. Systems for it favour read speed and columnar layouts over frequent single-row updates.
OLAP: an example
An analyst asks for total revenue by state and quarter across three years of orders.
Related terms
More Data engineering terms
Where you learn it
OLAP is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.