aws rds describe-db-major-engine-versions
Describes the properties of specific major versions of DB engines. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--engineThe database engine to return major version details for.--major-engine-versionA specific database major engine version to return details for.--markerAn optional pagination token provided by a previous request.--max-recordsThe maximum number of records to include in the response.