How can I display data from external DB for example like Oracle DB into the CUBA table?

How can I display data from external DB for example like Oracle DB into the CUBA table? I require a fast response.

You can create additional datastore to attach external Oracle DB to your project.
https://doc.cuba-platform.com/studio/#data_stores_additional

Then use “Generate Model” feature to create entities based on already existing tables in the external DB.
https://doc.cuba-platform.com/studio/#generate_model