Command option Sample:aws rds modify-db-snapshot

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Updates a manual DB snapshot, which can be encrypted or not encrypted,with a new engine version.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/rds/modify-db-snapshot.html

aws rds modify-db-snapshot \
    Upgrading an Oracle DB Snapshot - Amazon Relational Database Service : http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBSnapshot.MySQL.html

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