Feature availability and support for RDS Custom for Oracle

In this topic, you can find a summary of the RDS Custom for Oracle feature availability and support for quick reference.

AWS Region and database version support for RDS Custom for Oracle

Feature availability and support vary across specific versions of each database engine, and across AWS Regions. For more information on version and Region availability of RDS Custom for Oracle, see Supported Regions and DB engines for RDS Custom.

Database version support for RDS Custom for Oracle

RDS Custom for Oracle supports the following Oracle database versions:

• Oracle Database 19c

• Oracle Database 18c

• Oracle Database 12c Release 2 (12.2)

• Oracle Database 12c Release 1 (12.1)

Edition and licensing support for RDS Custom for Oracle

RDS Custom for Oracle supports Enterprise Edition (EE) and Standard Edition 2 (SE2) on the BYOL model.

Note the following limitations for Standard Edition 2:

• Oracle Data Guard isn't supported. Thus, you can't create Oracle read replicas.

• You can only use DB instance classes that have 16 or fewer vCPUs (up to 4xlarge).

• A CDB instance on Standard Edition 2 supports a maximum of 3 tenant databases.

• You can't migrate data between Enterprise Edition and Standard Edition 2.

DB instance class support for RDS Custom for Oracle

RDS Custom for Oracle supports the following DB instance classes. If you create a DB instance on Standard Edition 2, you can only use instance classes with 16 or fewer vCPUs (up to 4x large).

Type	Size
db.r6i	db.r6i.large | db.r6i.xlarge | db.r6i.2xlarge | db.r6i.4xlarge | db.r6i.8xlarge | db.r6i.12xlarge | db.r6i.16xlarge | db.r6i.24xlarge | db.r6i.32xlarge
db.r5b	db.r5b.large | db.r5b.xlarge | db.r5b.2xlarge | db.r5b.4xlarge | db.r5b.8xlarge | db.r5b.12xlarge | db.r5b.16xlarge | db.r5b.24xlarge
db.r5	db.r5.large | db.r5.xlarge | db.r5.2xlarge | db.r5.4xlarge | db.r5.8xlarge | db.r5.12xlarge | db.r5.16xlarge | db.r5.24xlarge
db.x2iedn	db.x2iedn.xlarge | db.x2iedn.2xlarge | db.x2iedn.4xlarge | db.x2iedn.8xlarge | db.x2iedn.16xlarge | db.x2iedn.24xlarge | db.x2iedn.32xlarge
db.x2iezn	db.x2iezn.2xlarge | db.x2iezn.4xlarge | db.x2iezn.6xlarge | db.x2iezn.8xlarge | db.x2iezn.12xlarge
db.m6i	db.m6i.large | db.m6i.xlarge | db.m6i.2xlarge | db.m6i.4xlarge | db.m6i.8xlarge | db.m6i.12xlarge | db.m6i.16xlarge | db.m6i.24xlarge | db.m6i.32xlarge
db.m5	db.m5.large | db.m5.xlarge | db.m5.2xlarge | db.m5.4xlarge | db.m5.8xlarge | db.m5.12xlarge | db.m5.16xlarge | db.m5.24xlarge
db.t3	db.t3.medium | db.t3.large | db.t3.xlarge | db.t3.2xlarge

Option group support for RDS Custom for Oracle

You can specify an option group when you create or modify an RDS Custom for Oracle DB instance. For more information, see Working with option groups in RDS Custom for Oracle.