Design Keep related data together Use few tables Use sort order Related items can be grouped together and queried efficiently if their key design causes them to sort together. The primary key that uniquely identifies each item in an Amazon DynamoDB table can be simple (a partition key only) or composite (a partition key combined with a sort key). The primary key that uniquely identifies each item in an Amazon DynamoDB table can be simple (a partition key only) or composite (a partition key combined with a sort key). You can determine the access patterns that your application requires, and read and write units that each table and secondary index requires. By default, every partition in the table will strive to deliver the full capacity of 3,000 RCU and 1,000 WCU. The total throughput across all partitions in the table may be constrained by the provisioned throughput in provisioned mode, or by the table level throughput limit in on-demand mode. DynamoDB provides some flexibi...
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