# Data Types The Amazon Relational Database Service API contains several data types that various actions use. This section describes each data type in detail. **Note** The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order. The following data types are supported: + [AccountQuota](API_AccountQuota.md) + [AdditionalStorageVolume](API_AdditionalStorageVolume.md) + [AdditionalStorageVolumeOutput](API_AdditionalStorageVolumeOutput.md) + [AvailabilityZone](API_AvailabilityZone.md) + [AvailableAdditionalStorageVolumesOption](API_AvailableAdditionalStorageVolumesOption.md) + [AvailableProcessorFeature](API_AvailableProcessorFeature.md) + [BlueGreenDeployment](API_BlueGreenDeployment.md) + [BlueGreenDeploymentTask](API_BlueGreenDeploymentTask.md) + [Certificate](API_Certificate.md) + [CertificateDetails](API_CertificateDetails.md) + [CharacterSet](API_CharacterSet.md) + [CloudwatchLogsExportConfiguration](API_CloudwatchLogsExportConfiguration.md) + [ClusterPendingModifiedValues](API_ClusterPendingModifiedValues.md) + [ConnectionPoolConfiguration](API_ConnectionPoolConfiguration.md) + [ConnectionPoolConfigurationInfo](API_ConnectionPoolConfigurationInfo.md) + [ContextAttribute](API_ContextAttribute.md) + [CustomDBEngineVersionAMI](API_CustomDBEngineVersionAMI.md) + [DBCluster](API_DBCluster.md) + [DBClusterAutomatedBackup](API_DBClusterAutomatedBackup.md) + [DBClusterBacktrack](API_DBClusterBacktrack.md) + [DBClusterEndpoint](API_DBClusterEndpoint.md) + [DBClusterMember](API_DBClusterMember.md) + [DBClusterOptionGroupStatus](API_DBClusterOptionGroupStatus.md) + [DBClusterParameterGroup](API_DBClusterParameterGroup.md) + [DBClusterRole](API_DBClusterRole.md) + [DBClusterSnapshot](API_DBClusterSnapshot.md) + [DBClusterSnapshotAttribute](API_DBClusterSnapshotAttribute.md) + [DBClusterSnapshotAttributesResult](API_DBClusterSnapshotAttributesResult.md) + [DBClusterStatusInfo](API_DBClusterStatusInfo.md) + [DBEngineVersion](API_DBEngineVersion.md) + [DBInstance](API_DBInstance.md) + [DBInstanceAutomatedBackup](API_DBInstanceAutomatedBackup.md) + [DBInstanceAutomatedBackupsReplication](API_DBInstanceAutomatedBackupsReplication.md) + [DBInstanceRole](API_DBInstanceRole.md) + [DBInstanceStatusInfo](API_DBInstanceStatusInfo.md) + [DBMajorEngineVersion](API_DBMajorEngineVersion.md) + [DBParameterGroup](API_DBParameterGroup.md) + [DBParameterGroupStatus](API_DBParameterGroupStatus.md) + [DBProxy](API_DBProxy.md) + [DBProxyEndpoint](API_DBProxyEndpoint.md) + [DBProxyTarget](API_DBProxyTarget.md) + [DBProxyTargetGroup](API_DBProxyTargetGroup.md) + [DBRecommendation](API_DBRecommendation.md) + [DBSecurityGroup](API_DBSecurityGroup.md) + [DBSecurityGroupMembership](API_DBSecurityGroupMembership.md) + [DBShardGroup](API_DBShardGroup.md) + [DBSnapshot](API_DBSnapshot.md) + [DBSnapshotAttribute](API_DBSnapshotAttribute.md) + [DBSnapshotAttributesResult](API_DBSnapshotAttributesResult.md) + [DBSnapshotTenantDatabase](API_DBSnapshotTenantDatabase.md) + [DBSubnetGroup](API_DBSubnetGroup.md) + [DescribeDBLogFilesDetails](API_DescribeDBLogFilesDetails.md) + [DocLink](API_DocLink.md) + [DomainMembership](API_DomainMembership.md) + [DoubleRange](API_DoubleRange.md) + [EC2SecurityGroup](API_EC2SecurityGroup.md) + [Endpoint](API_Endpoint.md) + [EngineDefaults](API_EngineDefaults.md) + [Event](API_Event.md) + [EventCategoriesMap](API_EventCategoriesMap.md) + [EventSubscription](API_EventSubscription.md) + [ExportTask](API_ExportTask.md) + [FailoverState](API_FailoverState.md) + [Filter](API_Filter.md) + [GlobalCluster](API_GlobalCluster.md) + [GlobalClusterMember](API_GlobalClusterMember.md) + [Integration](API_Integration.md) + [IntegrationError](API_IntegrationError.md) + [IPRange](API_IPRange.md) + [IssueDetails](API_IssueDetails.md) + [LimitlessDatabase](API_LimitlessDatabase.md) + [MasterUserSecret](API_MasterUserSecret.md) + [Metric](API_Metric.md) + [MetricQuery](API_MetricQuery.md) + [MetricReference](API_MetricReference.md) + [MinimumEngineVersionPerAllowedValue](API_MinimumEngineVersionPerAllowedValue.md) + [ModifyAdditionalStorageVolume](API_ModifyAdditionalStorageVolume.md) + [Option](API_Option.md) + [OptionConfiguration](API_OptionConfiguration.md) + [OptionGroup](API_OptionGroup.md) + [OptionGroupMembership](API_OptionGroupMembership.md) + [OptionGroupOption](API_OptionGroupOption.md) + [OptionGroupOptionSetting](API_OptionGroupOptionSetting.md) + [OptionSetting](API_OptionSetting.md) + [OptionVersion](API_OptionVersion.md) + [OrderableDBInstanceOption](API_OrderableDBInstanceOption.md) + [Outpost](API_Outpost.md) + [Parameter](API_Parameter.md) + [PendingCloudwatchLogsExports](API_PendingCloudwatchLogsExports.md) + [PendingMaintenanceAction](API_PendingMaintenanceAction.md) + [PendingModifiedValues](API_PendingModifiedValues.md) + [PerformanceInsightsMetricDimensionGroup](API_PerformanceInsightsMetricDimensionGroup.md) + [PerformanceInsightsMetricQuery](API_PerformanceInsightsMetricQuery.md) + [PerformanceIssueDetails](API_PerformanceIssueDetails.md) + [ProcessorFeature](API_ProcessorFeature.md) + [Range](API_Range.md) + [RdsCustomClusterConfiguration](API_RdsCustomClusterConfiguration.md) + [RecommendedAction](API_RecommendedAction.md) + [RecommendedActionParameter](API_RecommendedActionParameter.md) + [RecommendedActionUpdate](API_RecommendedActionUpdate.md) + [RecurringCharge](API_RecurringCharge.md) + [ReferenceDetails](API_ReferenceDetails.md) + [ReservedDBInstance](API_ReservedDBInstance.md) + [ReservedDBInstancesOffering](API_ReservedDBInstancesOffering.md) + [ResourcePendingMaintenanceActions](API_ResourcePendingMaintenanceActions.md) + [RestoreWindow](API_RestoreWindow.md) + [ScalarReferenceDetails](API_ScalarReferenceDetails.md) + [ScalingConfiguration](API_ScalingConfiguration.md) + [ScalingConfigurationInfo](API_ScalingConfigurationInfo.md) + [ServerlessV2FeaturesSupport](API_ServerlessV2FeaturesSupport.md) + [ServerlessV2PlatformVersionInfo](API_ServerlessV2PlatformVersionInfo.md) + [ServerlessV2ScalingConfiguration](API_ServerlessV2ScalingConfiguration.md) + [ServerlessV2ScalingConfigurationInfo](API_ServerlessV2ScalingConfigurationInfo.md) + [SourceRegion](API_SourceRegion.md) + [Subnet](API_Subnet.md) + [SupportedEngineLifecycle](API_SupportedEngineLifecycle.md) + [SwitchoverDetail](API_SwitchoverDetail.md) + [Tag](API_Tag.md) + [TagSpecification](API_TagSpecification.md) + [TargetHealth](API_TargetHealth.md) + [TenantDatabase](API_TenantDatabase.md) + [TenantDatabasePendingModifiedValues](API_TenantDatabasePendingModifiedValues.md) + [Timezone](API_Timezone.md) + [UpgradeTarget](API_UpgradeTarget.md) + [UserAuthConfig](API_UserAuthConfig.md) + [UserAuthConfigInfo](API_UserAuthConfigInfo.md) + [ValidAdditionalStorageOptions](API_ValidAdditionalStorageOptions.md) + [ValidDBInstanceModificationsMessage](API_ValidDBInstanceModificationsMessage.md) + [ValidStorageOptions](API_ValidStorageOptions.md) + [ValidVolumeOptions](API_ValidVolumeOptions.md) + [VpcSecurityGroupMembership](API_VpcSecurityGroupMembership.md)