Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Serverless Architectures with AWS

You're reading from  Serverless Architectures with AWS

Product type Book
Published in Dec 2018
Publisher Packt
ISBN-13 9781789805024
Pages 226 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Mohit Gupta Mohit Gupta
Profile icon Mohit Gupta
Toc

Amazon Athena


In simple terms, Amazon Athena is nothing but an interactive query service that is serverless. It makes use of standard SQL to analyze data in Amazon S3. It allows you to quickly query structured, unstructured, and semi-structured data that is stored in S3. With Athena, you don't need to load any datasets locally or write any complex ETLs (Extracts, Transforms, and Loads) as it provides the capability to read data directly from S3.

Note

ETL is a popular concept from the data warehouse world, where three separate functions are used to prepare data for data analysis. The term extract refers to data extraction from the source dataset, transform refers to data transformation (if required), and load refers to data loading in the final tables, which will be used for data analysis.

The Amazon Athena service uses Presto technology. Presto is a distributed SQL query engine that is open source. Presto provides a SQL-like dialect for querying data and is designed to provide fast performance...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime