| _key | core | string | |
| account_id | core | string | |
| allocated_storage | core | int64 | Not supported by Neptune. |
| auto_minor_version_upgrade | core | bool | Indicates that minor version patches are applied automatically. |
| availability_zone | core | string | Specifies the name of the Availability Zone the DB instance is located in. |
| backup_retention_period | core | int64 | Specifies the number of days for which automatic DB snapshots are retained. |
| ca_certificate_identifier | core | string | The identifier of the CA certificate for this DB instance. |
| character_set_name | core | string | <i>(Not supported by Neptune)</i> |
| copy_tags_to_snapshot | core | bool | Specifies whether tags are copied from the DB instance to snapshots of the DB instance. |
| db_cluster_identifier | core | string | If the DB instance is a member of a DB cluster, contains the name of the DB cluster that the DB instance is a member of. |
| db_instance_arn | core | string | The Amazon Resource Name (ARN) for the DB instance. |
| db_instance_class | core | string | Contains the name of the compute and memory capacity class of the DB instance. |
| db_instance_identifier | core | string | Contains a user-supplied database identifier. This identifier is the unique key that identifies a DB instance. |
| db_instance_port | core | int64 | Specifies the port that the DB instance listens on. If the DB instance is part of a DB cluster, this can be a different port than the DB cluster port. |
| db_instance_status | core | string | Specifies the current state of this database. |
| db_name | core | string | The database name. |
| db_parameter_groups | core | json | Provides the list of DB parameter groups applied to this DB instance. |
| db_security_groups | core | json | Provides List of DB security group elements containing only <code>DBSecurityGroup.Name</code> and <code>DBSecurityGroup.Status</code> subelements. |
| db_subnet_group | core | json | Specifies information on the subnet group associated with the DB instance, including the name, description, and subnets in the subnet group. |
| dbi_resource_id | core | string | The Amazon Region-unique, immutable identifier for the DB instance. This identifier is found in Amazon CloudTrail log entries whenever the Amazon KMS key for the DB instance is accessed. |
| deletion_protection | core | bool | Indicates whether or not the DB instance has deletion protection enabled. The instance can't be deleted when deletion protection is enabled. See <a href="https://docs.aws.amazon.com/neptune/latest/userguide/manage-console-instances-delete.html">Deleting a DB Instance</a>. |
| domain_memberships | core | json | Not supported |
| enabled_cloudwatch_logs_exports | core | array<string> | A list of log types that this DB instance is configured to export to CloudWatch Logs. |
| endpoint | core | json | Specifies the connection endpoint. |
| engine | core | string | Provides the name of the database engine to be used for this DB instance. |
| engine_version | core | string | Indicates the database engine version. |
| enhanced_monitoring_resource_arn | core | string | The Amazon Resource Name (ARN) of the Amazon CloudWatch Logs log stream that receives the Enhanced Monitoring metrics data for the DB instance. |
| iam_database_authentication_enabled | core | bool | True if Amazon Identity and Access Management (IAM) authentication is enabled, and otherwise false. |
| instance_create_time | core | timestamp | Provides the date and time the DB instance was created. |
| iops | core | int64 | Specifies the Provisioned IOPS (I/O operations per second) value. |
| kms_key_id | core | string | Not supported: The encryption for DB instances is managed by the DB cluster. |
| latest_restorable_time | core | timestamp | Specifies the latest time to which a database can be restored with point-in-time restore. |
| license_model | core | string | License model information for this DB instance. |
| master_username | core | string | Not supported by Neptune. |
| monitoring_interval | core | int64 | The interval, in seconds, between points when Enhanced Monitoring metrics are collected for the DB instance. |
| monitoring_role_arn | core | string | The ARN for the IAM role that permits Neptune to send Enhanced Monitoring metrics to Amazon CloudWatch Logs. |
| multi_az | core | bool | Specifies if the DB instance is a Multi-AZ deployment. |
| option_group_memberships | core | json | <i>(Not supported by Neptune)</i> |
| pending_modified_values | core | json | Specifies that changes to the DB instance are pending. This element is only included when changes are pending. Specific changes are identified by subelements. |
| performance_insights_enabled | core | bool | <i>(Not supported by Neptune)</i> |
| performance_insights_kms_key_id | core | string | <i>(Not supported by Neptune)</i> |
| preferred_backup_window | core | string | Specifies the daily time range during which automated backups are created if automated backups are enabled, as determined by the <code>BackupRetentionPeriod</code>. |
| preferred_maintenance_window | core | string | Specifies the weekly time range during which system maintenance can occur, in Universal Coordinated Time (UTC). |
| promotion_tier | core | int64 | A value that specifies the order in which a Read Replica is promoted to the primary instance after a failure of the existing primary instance. |
| publicly_accessible | core | bool | This flag should no longer be used. |
| read_replica_db_cluster_identifiers | core | array<string> | Contains one or more identifiers of DB clusters that are Read Replicas of this DB instance. |
| read_replica_db_instance_identifiers | core | array<string> | Contains one or more identifiers of the Read Replicas associated with this DB instance. |
| read_replica_source_db_instance_identifier | core | string | Contains the identifier of the source DB instance if this DB instance is a Read Replica. |
| secondary_availability_zone | core | string | If present, specifies the name of the secondary Availability Zone for a DB instance with multi-AZ support. |
| status_infos | core | json | The status of a Read Replica. If the instance is not a Read Replica, this is blank. |
| storage_encrypted | core | bool | Not supported: The encryption for DB instances is managed by the DB cluster. |
| storage_type | core | string | Specifies the storage type associated with DB instance. |
| tags | core | hstore | |
| tde_credential_arn | core | string | The ARN from the key store with which the instance is associated for TDE encryption. |
| timezone | core | string | Not supported. |
| vpc_security_groups | core | json | Provides a list of VPC security group elements that the DB instance belongs to. |
