AWSTemplateFormatVersion: 2010-09-09 Resources: RDSOptionGroup: Type: "AWS::RDS::OptionGroup" Properties: EngineName: "oracle-se2" MajorEngineVersion: "12.1" OptionGroupDescription: "SSL and Timezone options" OptionConfigurations: - OptionName: "SSL" VpcSecurityGroupMemberships: - !Ref "PrivateSecurityGroup" - OptionName: "Timezone" OptionSettings: - Name: "TIME_ZONE" Value: "Europe/Amsterdam"