Which of the following is the correct way to define a DynamoDB data source in an AWS AppSync GraphQL schema?

easy📝 Syntax Q12 of 15

DynamoDB - with Serverless

Atype Query { getItem(id: ID!): Item @aws_dynamodb(tableName: MyTable) }

Btype Query { getItem(id: ID!): Item @aws_lambda(functionName: "MyFunction") }

Ctype Query { getItem(id: ID!): Item @aws_dynamodb(tableName: "MyTable", region: "us-east-1") }

Dtype Query { getItem(id: ID!): Item @aws_s3(bucketName: "MyBucket") }

Step-by-Step Solution

Solution:

Step 1: Identify the correct directive for DynamoDB
The @aws_dynamodb directive is used to link a DynamoDB table as a data source in AppSync.
Step 2: Check syntax correctness
type Query { getItem(id: ID!): Item @aws_dynamodb(tableName: "MyTable", region: "us-east-1") } correctly includes the tableName and region parameters, which are valid for specifying the DynamoDB data source.
Final Answer:
type Query { getItem(id: ID!): Item @aws_dynamodb(tableName: "MyTable", region: "us-east-1") } -> Option C
Quick Check:
@aws_dynamodb with tableName and region is correct syntax [OK]

Quick Trick: Look for @aws_dynamodb with tableName and region parameters [OK]

Common Mistakes:

MISTAKES

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