Redshift is a fully managed data warehouse service specifically designed for high-performance analytics on large volumes of data. It allows users to run complex queries and perform analysis using SQL, making it a go-to option for businesses looking to gather insights from their data. Redshift can handle petabyte-scale data and enables users to perform quick data analysis and reporting, thus being very efficient for data analytics purposes.
Other options mention services that serve very different primary functions. For example, Lambda is an event-driven serverless compute service that focuses on running backend code in response to events, rather than on data analytics. S3 is a scalable object storage service that is often used to store data but lacks built-in analytics capabilities on its own; it can, however, integrate with analytics tools. CloudFormation is primarily used for deploying and managing AWS resources in a systematic way via infrastructure as code, rather than for data analytics. Therefore, Redshift stands out distinctly as the service aligned specifically for data analytics on AWS.