Which of the following is the correct JSON syntax to represent an item with attributes "Name" as "Alice" and "Age" as 30 in DynamoDB?

easy📝 Syntax Q3 of 15

AWS - DynamoDB

A{"Name": {"S": "Alice"}, "Age": {"N": "30"}}

B{"Name": "Alice", "Age": 30}

C{"Name": "Alice", "Age": "30"}

D{"Name": {"N": "Alice"}, "Age": {"S": "30"}}

Step-by-Step Solution

Solution:

Step 1: Understand DynamoDB JSON attribute format
DynamoDB expects attributes to be typed: "S" for string, "N" for number, etc.
Step 2: Match attribute types with values
Name is a string, so use "S"; Age is a number, so use "N" with string number value.
Final Answer:
{"Name": {"S": "Alice"}, "Age": {"N": "30"}} -> Option A
Quick Check:
Typed JSON attributes = {"Name": {"S": "Alice"}, "Age": {"N": "30"}} [OK]

Quick Trick: Use typed JSON for DynamoDB attributes [OK]

Common Mistakes:

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