AWS Certified Data Engineer - Associate
Get started today
Ultimate access to all questions.
Ultimate access to all questions.
You are designing a schema for an Amazon Redshift data warehouse that will store customer interaction data from a web application. The data includes customer IDs, interaction timestamps, event types, and session IDs. The schema must be optimized for analyzing customer behavior and should support future changes in interaction data characteristics. Which of the following schema designs would be most appropriate?
Explanation:
A star schema is the most appropriate for this scenario as it optimizes for query performance by denormalizing the data into a central fact table and separate dimension tables. This design allows for efficient querying and aggregation of large volumes of interaction data, and it is flexible enough to accommodate changes in interaction data characteristics.