Explain the concept of time travel operations in the context of ACID transactions.
AWS Certified Data Analytics Specialty 2021 – Hands-On - Athena ACID Transactions
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Information Technology (IT), Architecture
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University
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Hard
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The video tutorial explains the use of ACID transactions in Athena, powered by Apache Iceberg, allowing concurrent users to modify data safely. It highlights compatibility with tools like Elastic MapReduce and Apache Spark, eliminating the need for custom record locking. The tutorial also covers time travel operations for data recovery and compares governed tables in Lake Formation with ACID support in Athena. It emphasizes the importance of periodic table compaction to maintain performance and concludes with the future of ACID in data analytics.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What challenges might arise if ACID transactions in Athena are not periodically compacted?
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