Amazon DynamoDB supports document (e.g. JSON) and key-value data model. Expressions for conditions simplifies reading and writing JSON documents on Amazon DynamoDB. Today, we are extending expressions support to key conditions in the Query operation for even simpler queries. You can also add or edit JSON documents directly from the DynamoDB console. To learn more, please read Jeff Barr’s blog. You can also read more about expressions for key conditions on our documentation page. If you are new to document model support (JSON) on DynamoDB, get started by reading this blog. If you have any questions or feedback about document model support, email us.
from What's New from Amazon Web Services http://ift.tt/1b7AMZS
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