AWS data warehouse service for analyzing large amounts of data quickly. Like having a super-powerful calculator designed specifically for big data problems.
A retail company uses Redshift to analyze years of sales data to identify trends and optimize inventory.
All are cloud data warehouse services for analytics (OLAP) on large datasets using SQL. Redshift and Synapse Dedicated SQL pool are provisioned/cluster-based (you size compute). BigQuery is serverless with on-demand or reserved capacity. Oracle ADW is an autonomous managed warehouse with elastic scaling and automation.