Reviewing read APIs
Now that you have a good idea of the read consistency model within DynamoDB, let us review the different read APIs offered by DynamoDB and their best practices. At the time of writing, DynamoDB supports the following APIs to retrieve data:
GetItemBatchGetItemQueryScanExecuteStatementBatchExecuteStatementExecuteTransactionTransactGetItems
If you have followed the earlier chapters, you are likely familiar with the GetItem and Query operations in DynamoDB. These operations are fundamental for retrieving single and multiple items, respectively, and are among the most commonly used. Let us review all these read operations with insights and best practices based on my experience interacting with DynamoDB and its customers.
For detailed information, including request/response structures, limits, and SDK reference pages, you can refer to the AWS docs API reference pages (3). Instead of duplicating the documentation, I...
