Which of the following is the correct syntax to get an item by its key in AWS SDK for JavaScript DynamoDB client?

easy📝 Configuration Q12 of 15

AWS - DynamoDB

AdynamoDBClient.put({ TableName: 'MyTable', Item: { id: '123' } })

BdynamoDBClient.get({ TableName: 'MyTable', Key: { id: '123' } })

CdynamoDBClient.query({ TableName: 'MyTable', KeyConditionExpression: 'id = :id' })

DdynamoDBClient.getItem({ TableName: 'MyTable', Key: { id: '123' } })

Step-by-Step Solution

Solution:

Step 1: Identify the correct method for getting an item
The AWS SDK for JavaScript v3 uses get method on the DynamoDB DocumentClient to retrieve a single item by key.
Step 2: Check the parameters
The parameters include TableName and Key with the key attribute and value.
Final Answer:
dynamoDBClient.get({ TableName: 'MyTable', Key: { id: '123' } }) -> Option B
Quick Check:
Get item uses get() with TableName and Key [OK]

Quick Trick: Get single item uses get() with Key [OK]

Common Mistakes:

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