AWS Certified Data Analytics Specialty 2021 – Hands-On - DynamoDB TTL

The video tutorial explains the concept of Time to Live (TTL) in DynamoDB, which allows automatic deletion of items after a specified expiry timestamp. It covers the TTL expiration process, its benefits, and use cases such as data reduction and regulatory compliance. The tutorial also provides a hands-on demonstration of creating a TTL table, defining TTL attributes, and running previews to simulate item expiration.

What is the purpose of the time to Live (TTL) feature in a database?

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How does the expiration process work in dynamic DB when an item reaches its TTL?

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What is the significance of the Unix epoch timestamp in the context of TTL?

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Explain the process of adding an item with an expiration date in dynamic DB.

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What happens to expired items that have not yet been deleted from the database?

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How can you define a TTL attribute in a dynamic DB table?

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What are some use cases for implementing TTL in a database?

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