Your Oracle RDBMS must be active before you attempt to install and run USoft Developer. The client PC must have been set up with the appropriate SQL*Net or Net8 Client software, and connections to the RDBMS must be working. Refer to your Oracle documentation for details.
There are a number of specific system requirements which must be satisfied if you intend to use USoft Developer with an Oracle RDBMS. You must check that your system complies with these requirements before you proceed with the installation of USoft Developer.
Refer to your Oracle documentation for more detailed explanations of the requirements described here.