Database mapper showing parameters as arg1, arg2, arg3,arg4 instead of showing its names.

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Hi team,

We are trying to create a REST API by integrating an Oracle Database with OIC. So as we select the table name and after validating the SQL query, we are facing problems in mapping the REST Trigger mapper with the Database mapper as the parameters with respect to the REST Trigger mapper are being displayed by its respective names but the problem lies with the Database mapper having its names displayed as arg1, arg2, arg3 till arg8, as it contains 8 parameters.

Why the names inside the DB mapper are being displayed as arg1,arg2 instead of their true names? Please help as to how should we approach this problem with the correct solution.