Câu 49: AWS Certified Database - Specialty

An online gaming company is planning to launch a new game with Amazon DynamoDB as its data store. The database should be designated to support the following use cases: ✑ Update scores in real time whenever a player is playing the game. ✑ Retrieve a player's score details for a specific game session. A Database Specialist decides to implement a DynamoDB table. Each player has a unique user_id and each game has a unique game_id. Which choice of keys is recommended for the DynamoDB table?

1. A. Create a global secondary index with game_id as the partition key
2. B. Create a global secondary index with user_id as the partition key
3. C. Create a composite primary key with game_id as the partition key and user_id as the sort key
4. D. Create a composite primary key with user_id as the partition key and game_id as the sort key — đáp án hiện tại