AWS - DynamoDB
Which AWS SDK v3 method is used to perform a Query operation on a DynamoDB table?
Which AWS SDK v3 method is used to perform a Query operation on a DynamoDB table?
easy📝 Configuration Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the SDK v3 pattern
In AWS SDK for JavaScript v3, commands are created as objects and sent using the client's send method.Step 2: Recognize the QueryCommand usage
The Query operation requires creating a new QueryCommand with parameters and passing it to dynamoDBClient.send().Final Answer:
dynamoDBClient.send(new QueryCommand(params)) -> Option AQuick Check:
Using send() with command objects is the v3 standard [OK]
Quick Trick: Use send() with QueryCommand for queries in SDK v3 [OK]
Common Mistakes:
- Using dynamoDBClient.query() which is v2 syntax
- Confusing scan() with query()
- Using getItem() for multiple items
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