SAA-C03 Q94 · Database

Question

A developer needs to export the contents of several Amazon DynamoDB tables into Amazon S3 buckets to comply with company data regulations. The developer uses the AWS CLI to runcommands to export from each table to the proper S3 bucket. The developer sets up AWS credentials correctly and grants resources appropriate permissions. However, the exports of some tables fail. What should the developer do to resolve this issue?

Accepted Answer

**Answer A: Enable point-in-time recovery (PITR) on the DynamoDB tables.**

The DynamoDB **ExportTableToPointInTime** API (which is the native DynamoDB export-to-S3 feature) has a **hard prerequisite**: Point-in-Time Recovery (PITR) must be enabled on the source table. Here's why:

1. **How DynamoDB Export works**: The export feature creates a consistent snapshot of the table data at a specific point in time. It reads from the PITR continuous backup — NOT from the live table. This means it has zero impact on table read capacity.

2. **Why PITR is required**: Since the export reads from the PITR backup stream, if PITR is not enabled, DynamoDB has no continuous backup data to read from, and the export operation **fails immediately**.

3. **Why 'some tables fail'**: The scenario says some exp

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