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**Example 1: To update the deletion protection property of a ledger** The following ``update-ledger`` example updates the specified ledger to disable the deletion protection feature. :: aws qldb update-ledger \ --name myExampleLedger \ --no-deletion-protection Output:: { "CreationDateTime": 1568839243.951, "Arn": "arn:aws:qldb:us-west-2:123456789012:ledger/myExampleLedger", "DeletionProtection": false, "Name": "myExampleLedger", "State": "ACTIVE" } **Example 2: To update the AWS KMS key of a ledger to a customer managed key** The following ``update-ledger`` example updates the specified ledger to use a customer managed KMS key for encryption at rest. :: aws qldb update-ledger \ --name myExampleLedger \ --kms-key arn:aws:kms:us-west-2:123456789012:key/a1b2c3d4-5678-90ab-cdef-EXAMPLE11111 Output:: { "CreationDateTime": 1568839243.951, "Arn": "arn:aws:qldb:us-west-2:123456789012:ledger/myExampleLedger", "DeletionProtection": false, "Name": "myExampleLedger", "State": "ACTIVE", "EncryptionDescription": { "KmsKeyArn": "arn:aws:kms:us-west-2:123456789012:key/a1b2c3d4-5678-90ab-cdef-EXAMPLE11111", "EncryptionStatus": "UPDATING" } } **Example 3: To update the AWS KMS key of a ledger to an AWS owned key** The following ``update-ledger`` example updates the specified ledger to use an AWS owned KMS key for encryption at rest. :: aws qldb update-ledger \ --name myExampleLedger \ --kms-key AWS_OWNED_KMS_KEY Output:: { "CreationDateTime": 1568839243.951, "Arn": "arn:aws:qldb:us-west-2:123456789012:ledger/myExampleLedger", "DeletionProtection": false, "Name": "myExampleLedger", "State": "ACTIVE", "EncryptionDescription": { "KmsKeyArn": "AWS_OWNED_KMS_KEY", "EncryptionStatus": "UPDATING" } } For more information, see `Basic Operations for Amazon QLDB Ledgers <https://docs.aws.amazon.com/qldb/latest/developerguide/ledger-management.basics.html>`__ in the *Amazon QLDB Developer Guide*.