How do you correctly import and instantiate the DynamoDB DocumentClient in a Node.js Lambda function?

easy📝 Syntax Q3 of 15

DynamoDB - with Serverless

Aimport AWS from 'aws-sdk'; const docClient = new AWS.DynamoDBClient();

Bconst AWS = require('aws-sdk'); const docClient = new AWS.DynamoDB.DocumentClient();

Cconst AWS = require('aws-sdk'); const docClient = new AWS.DynamoDBClient.DocumentClient();

Dimport { DocumentClient } from 'aws-sdk'; const docClient = new DocumentClient();

Step-by-Step Solution

Solution:

Step 1: Import AWS SDK
Use require('aws-sdk') in Node.js Lambda functions.
Step 2: Instantiate DocumentClient
Correct syntax is new AWS.DynamoDB.DocumentClient() to interact with DynamoDB in a simplified way.
Final Answer:
const AWS = require('aws-sdk'); const docClient = new AWS.DynamoDB.DocumentClient(); -> Option B
Quick Check:
Check AWS SDK docs for correct instantiation [OK]

Quick Trick: Use AWS.DynamoDB.DocumentClient() with require('aws-sdk') [OK]

Common Mistakes:

MISTAKES

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