Task 7.4

Complete Task: DynamoDB Table & Backup Management

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Resources Provided:

• Table-1: cmtr-29vd4qvr-dynamodb-b-table-1 containing two items:
  • Item 1: cmtr-29vd4qvr-dynamodb-b-table-item-ChangeMe
  • Item 2: cmtr-29vd4qvr-dynamodb-b-table-item-MigrateMe

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Objectives:

1. Create Table-2: New table cmtr-29vd4qvr-dynamodb-b-table-2 with same structure as Table-1

2. Update Item in Table-1: Rename cmtr-29vd4qvr-dynamodb-b-table-item-ChangeMe → cmtr-29vd4qvr-dynamodb-b-table-item-Changed

3. Migrate Item: Move cmtr-29vd4qvr-dynamodb-b-table-item-MigrateMe from Table-1 to Table-2, then delete from Table-1

4. Create GSI on Table-2: Global Secondary Index using PostedBy attribute

5. Enable PITR on Table-1: Point-in-Time Recovery

6. AWS Backup for Table-2:

Resource	Name
Backup Vault	cmtr-29vd4qvr-dynamodb-b-BackupVault
Backup Plan	cmtr-29vd4qvr-dynamodb-b-BackupPlan
Backup Rule	cmtr-29vd4qvr-dynamodb-b-DailyBackup
Resource Assignment	DynamoDBTableSelection

7. IAM Policy: cmtr-29vd4qvr-dynamodb-b-iam_policy-RestrictDeletion — allows table create/list/delete but denies backup deletion

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