Textbook in PDF format Your complete Guide to preparing for the AWS Certified Data Engineer: Associate exam. The AWS Certified Data Engineer Study Guide is your one-stop resource for complete coverage of the challenging DEA-C01 Associate exam. This Sybex Study Guide covers 100% of the DEA-C01 objectives. Prepare for the exam faster and smarter with Sybex thanks to accurate content including, an assessment test that validates and measures exam readiness, real-world examples and scenarios, practical exercises, and challenging chapter review questions. Reinforce and retain what you've learned with the Sybex online learning environment and test bank, accessible across multiple devices. Get ready for the AWS Certified Data Engineer exam – quickly and efficiently – with Sybex. Coverage of 100% of all exam objectives in this Study Guide means you'll be ready for Data Ingestion and Transformation Data Store Management Data Operations and Support Data Security and Governance About the AWS Data Engineer – Associate certification The AWS Data Engineer – Associate certification validates skills and knowledge in core data-related Amazon Web Services. It recognizes your ability to implement data pipelines and to monitor, troubleshoot, and optimize cost and performance issues in accordance with best practices Databases and data warehouses are crucial technologies for storing and processing data in an analytics system. They are designed to handle various types of data, including structured and semi-structured data, as well as different types of queries. These can range from highly selective queries fetching one or a few rows to complex analytics queries on massive datasets that return aggregated results. A data warehouse is a centralized repository that stores data from various sources, including a company's internal operational systems (such as ERP and CRM applications), databases, log files, and external sources (such as web analytics providers and social media platforms). Organizations utilize this data collection for business intelligence and analytical analysis, which helps provide visibility and insights into their operational performance. By consolidating data in one place, storing a history of the data, and allowing users to query all of this data quickly, a data warehouse provides a powerful means for a business to gain insights into how it has performed in the past and to make informed decisions for the future. At its core, a data warehouse is a database specifically designed for this use case: to store large amounts of data and execute complex SQL queries with high performance. Another term for this use case is online analytical processing (OLAP). Introduction Streaming and Batch Data Ingestion Building Automated Data Pipelines Data Transformation Storage Services Databases and Data Warehouses on AWS Data Catalogs Visualizing Your Data Monitoring and Auditing Data Maintaining and Troubleshooting Data Operations Authentication and Authorization Data Encryption and Masking Data Privacy and Governance How to Take the Exam Appendix A: Answers to Review Questions Appendix B: References