AWS offers several managed ways to transform data, but AWS Glue, Amazon EMR, and AWS Lambda are not interchangeable ETL engines. Each one assumes a […]
DEA-C01
AWS DEA-C01: Kinesis Data Streams, Data Firehose, and MSK
Streaming architectures on AWS often mention Amazon Kinesis Data Streams, Amazon Data Firehose, and Amazon Managed Streaming for Apache Kafka (Amazon MSK) in the same […]
AWS DEA-C01: Building an S3 Data Lake
Amazon S3 is a natural foundation for an AWS data lake because object storage separates durable storage from the compute engines that analyze it. But […]
AWS DEA-C01: Glue Data Catalog and Lake Formation
AWS Glue Data Catalog and AWS Lake Formation are closely related, which is why they are easy to blur together. The Data Catalog is fundamentally […]
AWS DEA-C01: Redshift Performance and Data Design
Amazon Redshift performance is shaped by how data is stored, distributed, filtered, joined, and scheduled across a massively parallel processing system. Modern Redshift automates more […]
AWS Data Engineer (DEA-C01): Exam Scope and Preparation
AWS Certified Data Engineer – Associate (DEA-C01) tests whether a practitioner can build and operate data pipelines, select appropriate stores, protect data, and reason about […]