[Solved] A developer writes this item to DynamoDB:{"UserID": {"S": "001"}, "Age": {"N": "twenty"}}Why does this cause an error? | AWS

AWS - DynamoDB

A developer writes this item to DynamoDB:

{"UserID": {"S": "001"}, "Age": {"N": "twenty"}}

Why does this cause an error?

AThe number attribute "Age" has a non-numeric string value

BThe primary key "UserID" is missing

CThe attribute names are invalid

DDynamoDB does not support number attributes

Step-by-Step Solution

Solution:

Step 1: Check attribute types and values
"Age" is typed as number "N" but value is "twenty" which is not numeric.
Step 2: Understand DynamoDB number attribute rules
Number attributes must have numeric string values like "20", not words.
Final Answer:
The number attribute "Age" has a non-numeric string value -> Option A
Quick Check:
Number attribute must be numeric string [OK]

Quick Trick: Number attributes need numeric strings only [OK]

Common Mistakes:

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