Online Analytical Processing - database systems optimized for complex queries and data analysis. Like a research library designed for deep investigation rather than quick lookups.
Business analysts use OLAP systems to analyze sales trends across different regions and time periods.
All are managed analytical data warehouses commonly used for OLAP-style workloads (complex aggregations, large scans, BI). They differ in architecture (serverless vs provisioned), pricing model, and ecosystem integrations, but each supports SQL analytics at scale.