A company caches session information for a web application in an Amazon DynamoDB table. The company wants an automated way to delete old items from the table.
What is the simplest way to do this?
A.
Write a script that deletes old records; schedule the script as a cron job on an Amazon EC2 instance.
B.
Add an attribute with the expiration time; enable the Time To Live feature based on that attribute.
C.
Each day, create a new table to hold session data; delete the previous day's table.
D.
Add an attribute with the expiration time; name the attribute ItemExpiration.
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