Which of the following is the correct way to import the DynamoDB DocumentClient and ExpressionAttributeNames helper in JavaScript SDK v3?

easy📝 Syntax Q12 of 15

DynamoDB - with AWS SDK

Aimport { DynamoDBDocumentClient } from "aws-sdk";

Bimport { DynamoDBClient, ExpressionAttributeNames } from "@aws-sdk/client-dynamodb";

Cconst { DynamoDBClient, ExpressionAttributeNames } = require("aws-sdk");

Dimport { DynamoDBDocumentClient, ExpressionAttributeNames } from "@aws-sdk/lib-dynamodb";

Step-by-Step Solution

Solution:

Step 1: Identify correct SDK package for helpers
Expression helpers like ExpressionAttributeNames are in "@aws-sdk/lib-dynamodb", not "@aws-sdk/client-dynamodb".
Step 2: Correct import syntax for v3
Use ES module import syntax with curly braces from "@aws-sdk/lib-dynamodb" for DocumentClient and helpers.
Final Answer:
import { DynamoDBDocumentClient, ExpressionAttributeNames } from "@aws-sdk/lib-dynamodb"; -> Option D
Quick Check:
Helpers come from lib-dynamodb package [OK]

Quick Trick: Helpers are in lib-dynamodb, not client-dynamodb [OK]

Common Mistakes:

MISTAKES

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