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?

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

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

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

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

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

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