Create table groups for sets of tables that have similar backup requirements. Table groups that belong to the same database instance can have different backup schedules.
Procedure
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From the navigation pane, go to Protect > Databases.
The database overview page appears.
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On the Instances tab, from the list of Instances, select the DynamoDB database instance to create a table group for.
The Overview page for cloud database instance appears.
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On the Table groups tab, click the Create table group.
The Create table group dialog box appears.
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In the Table group box, type a name for the table group.
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From the Plan list, select a backup plan.
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By default, Automatic data streams toggle key is enabled which automatically picks the data streams. To manually set the data streams, move the toggle key to left.
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In the Number of data streams box, enter the number of streams to use for backups.
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Under Backup content, select the tables to include in the table group.
For more information, see modifying the backup content in a DynamoDB table group.
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Click Save.