What will be the result of this DynamoDB scan on a table with items having attribute "Status" set to "Active" or "Inactive"?

medium📝 Predict Output Q5 of 15

AWS - DynamoDB

{
  "TableName": "Users",
  "FilterExpression": "Status = :statusVal",
  "ExpressionAttributeValues": {":statusVal": {"S": "Active"}}
}

AReturns items where Status is "Inactive"

BReturns only items where Status is "Active"

CReturns all items regardless of Status

DThrows an error due to syntax

Step-by-Step Solution

Solution:

Step 1: Understand FilterExpression usage
FilterExpression filters items after scanning or querying based on condition.
Step 2: Analyze the filter condition
FilterExpression "Status = :statusVal" with value "Active" selects items with Status "Active" only.
Final Answer:
Returns only items where Status is "Active" -> Option B
Quick Check:
FilterExpression filters items = Returns only items where Status is "Active" [OK]

Quick Trick: FilterExpression narrows results after scan/query [OK]

Common Mistakes:

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