What is the impact of using a small number of large files compared to a large number of small files in Athena?
AWS Certified Data Analytics Specialty 2021 – Hands-On - Athena Performance
Interactive Video
•
Information Technology (IT), Architecture, Social Studies
•
University
•
Hard
Quizizz Content
FREE Resource
The video tutorial focuses on optimizing Athena's performance by using columnar data formats like ORC or Parquet, organizing data into a small number of large files, and leveraging partitions. It explains how to preprocess data using tools like Glue and ETL transforms, and how to add partitions to existing datasets using the MSCK REPAIR TABLE command. These strategies help improve query performance and efficiency when working with Athena.
Read more
2 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
Evaluate responses using AI:
OFF
2.
OPEN ENDED QUESTION
3 mins • 1 pt
What command can be used in Athena to add metadata for partitions to an existing database?
Evaluate responses using AI:
OFF
Similar Resources on Quizizz
6 questions
AWS Certified Data Analytics Specialty 2021 - Hands-On! - Introduction to Amazon Athena
Interactive video
•
University
2 questions
CompTIA Security+ Certification SY0-601: The Total Course - Wiping Disks with the dd Command Lab
Interactive video
•
University
2 questions
AWS Certified Data Analytics Specialty 2021 – Hands-On - Modifying the Glue Data Catalog from ETL Scripts
Interactive video
•
University
4 questions
AWS Certified Data Analytics Specialty 2021 - Hands-On! - What is Glue? + Partitioning your Data Lake
Interactive video
•
University
2 questions
Robotic Process Automation - UiPath RPA Developer Masterclass - Robot #1 Case Introduction
Interactive video
•
University
2 questions
AWS Certified Data Analytics Specialty 2021 – Hands-On - Athena and Glue, Costs, and Security
Interactive video
•
University
3 questions
AWS Certified Data Analytics Specialty 2021 - Hands-On! - Introduction to Amazon Athena
Interactive video
•
University
2 questions
Spark Programming in Python for Beginners with Apache Spark 3 - Writing Your Data and Managing Layout
Interactive video
•
University
Popular Resources on Quizizz
15 questions
Multiplication Facts
Quiz
•
4th Grade
20 questions
Math Review - Grade 6
Quiz
•
6th Grade
20 questions
math review
Quiz
•
4th Grade
5 questions
capitalization in sentences
Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance
Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions
Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines
Quiz
•
Professional Development
12 questions
Dividing Fractions
Quiz
•
6th Grade