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You're reading from  AWS Certified Cloud Practitioner Exam Guide

Product typeBook
Published inJan 2022
PublisherPackt
ISBN-139781801075930
Edition1st Edition
Tools
AWSAWS
Concepts
Cloud Native
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Author (1)
Rajesh Daswani
Rajesh Daswani
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Rajesh Daswani

Rajesh Daswani is a senior solutions architect, AWS course content creator, and corporate trainer with over 20 years' experience in core IT infrastructure services and cloud computing. He has delivered corporate training programs and online training for several clients across the UK, USA, and India and published courses for Packt Publishing. Rajesh now delivers courses for the IaaS Academy, an online training provider that delivers on-demand cloud computing training and practice exam simulators to help students and IT professionals ace IT certification exams. You will also find extensive blog articles and exam tips on the IaaS Academy website to help you with your study and revision.
Read more about Rajesh Daswani

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Learning how to query data stored in Amazon S3 with Amazon Athena

Businesses store vast amounts of data in repositories such as Amazon S3. A lot of this data is not necessarily being hosted on regular Amazon RDS or NoSQL databases. In many cases, this is because the dataset is not being regularly updated and queried. Previously, even if you wanted to perform ad hoc queries or analysis against some of that data, you would need to ingest it into a database and then run your queries against the database.

Amazon Athena is a fully managed serverless solution that allows you to interactively query and analyze data directly in Amazon S3 using standard SQL. There is no infrastructure to provision, and you only pay for the queries you run.

Amazon Athena uses Presto, which is an open source SQL query engine that's designed to allow you to perform ad hoc analysis. You can use standard ANSI SQL, which provides full support for large joins, window functions, and arrays.

Data can...

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AWS Certified Cloud Practitioner Exam Guide
Published in: Jan 2022Publisher: PacktISBN-13: 9781801075930
© 2022 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Rajesh Daswani

Rajesh Daswani is a senior solutions architect, AWS course content creator, and corporate trainer with over 20 years' experience in core IT infrastructure services and cloud computing. He has delivered corporate training programs and online training for several clients across the UK, USA, and India and published courses for Packt Publishing. Rajesh now delivers courses for the IaaS Academy, an online training provider that delivers on-demand cloud computing training and practice exam simulators to help students and IT professionals ace IT certification exams. You will also find extensive blog articles and exam tips on the IaaS Academy website to help you with your study and revision.
Read more about Rajesh Daswani

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