How can you combine multiple update actions like setting and removing attributes using SDK helpers in one UpdateExpression?

hard🚀 Application Q9 of 15

DynamoDB - with AWS SDK

AUse the compose() helper to combine set() and remove() expressions

BUse set().remove() chained methods on one expression

CConcatenate strings from set() and remove() manually

DUse set() and remove() helpers combined with add() chained by plus operator

Step-by-Step Solution

Solution:

Step 1: Identify combining expressions method
SDK helpers provide compose() to combine multiple expression parts safely.
Step 2: Evaluate other options
Chaining set().remove() or using plus operator is not supported; manual string concat is error-prone.
Final Answer:
Use the compose() helper to combine set() and remove() expressions -> Option A
Quick Check:
Combine expressions with compose() = D [OK]

Quick Trick: Use compose() to safely combine multiple expression helpers [OK]

Common Mistakes:

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