Design data models and schema evolution.
3 practice questions under this official exam objective (DEA-C01), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
3 total · page 1 of 1How to Stop Redshift Broadcasting a Store Location Table?
This DEA-C01 scenario tests how Amazon Redshift distribution styles affect join performance for a small, rarely updated dimension table. The page esta
Which AWS solution detects changing schemas and loads data to S3 with least overhead?
This DEA-C01 scenario requires detecting undefined or changing schemas across SAP HANA, SQL Server, MongoDB, Kafka, and DynamoDB while loading transfo
Least-Overhead Schema Discovery for Changing S3 Text Files
For text files in Amazon S3 whose columns change over time, an AWS Glue crawler using the built-in classifier creates and refreshes the Data Catalog t