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You're reading from  Data Engineering with AWS - Second Edition

Product typeBook
Published inOct 2023
PublisherPackt
ISBN-139781804614426
Edition2nd Edition
Concepts
Data Engineering
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Author (1)
Gareth Eagar
Gareth Eagar
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Gareth Eagar

Gareth Eagar has over 25 years of experience in the IT industry, starting in South Africa, working in the United Kingdom for a while, and now based in the USA. Having worked at AWS since 2017, Gareth has broad experience with a variety of AWS services, and deep expertise around building data platforms on AWS. While Gareth currently works as a Solutions Architect, he has also worked in AWS Professional Services, helping architect and implement data platforms for global customers. Gareth frequently speaks on data related topics.
Read more about Gareth Eagar

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Summary

In this chapter, we learned more about the Amazon Athena service, an AWS-managed service that builds on the Apache Presto and Trino solutions to enable you to run SQL or Spark based queries against your data. We also looked at how to optimize our data and SQL queries to increase query performance and reduce costs.

Then, we explored advanced Athena functionality, including how Athena can be used as a SQL query engine not only for data in an Amazon S3 data lake, but also for external data sources such as other database systems, data warehouses, and even CloudWatch logs, using Athena Query Federation.

We wrapped up the theory part of this chapter by looking at Athena workgroups, which let us manage governance and costs, and they can be used to enforce specific settings for different teams or projects, and can also be used to limit the amount of data that is scanned by queries. In the last section of this chapter, we got hands-on with Athena, first creating a new workgroup...

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Data Engineering with AWS - Second Edition
Published in: Oct 2023Publisher: PacktISBN-13: 9781804614426
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Gareth Eagar

Gareth Eagar has over 25 years of experience in the IT industry, starting in South Africa, working in the United Kingdom for a while, and now based in the USA. Having worked at AWS since 2017, Gareth has broad experience with a variety of AWS services, and deep expertise around building data platforms on AWS. While Gareth currently works as a Solutions Architect, he has also worked in AWS Professional Services, helping architect and implement data platforms for global customers. Gareth frequently speaks on data related topics.
Read more about Gareth Eagar

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