Explanation
You can create an APEX workspace and build APEX apps on any of the following platforms:
Oracle Autonomous Cloud: This is a cloud platform that provides various services such as Autonomous Database, Oracle Cloud Infrastructure, and Oracle APEX Application Development. You can create an APEX workspace and build APEX apps on an Autonomous Database instance or an APEX Service instance.
Oracle XE: This is a free edition of Oracle Database that supports up to 12 GB of user data. You can install Oracle XE on your local machine and use it to create an APEX workspace and build APEX apps.
Amazon RDS: This is a cloud service that provides managed relational databases. You can create an APEX workspace and build APEX apps on an Amazon RDS for Oracle instance that supports Oracle APEX.
Microsoft Azure: This is a cloud platform that provides various services such as virtual machines, storage, and networking. You can create an APEX workspace and build APEX apps on a Microsoft Azure VM that runs Oracle Database and Oracle APEX.
Verified References: Oracle Autonomous CloudOracle XEAmazon RDSMicrosoft Azure