A gaming company maintains a staging environment for its flagship application which uses a DynamoDB table to keep track of the gaming history of the players. This data needs to be kept for only a week and then it can be deleted. The IT manager has noticed that the table has several months of data in the table. The company wants to implement a cost-effective solution to keep only the latest week's data in the table. Which of the following solutions requires the MINIMUM development effort and ongoing maintenance?