Describe the enhancement:
The sysdba flag host parameter in the oracle module for Metricbeat is a required parameter and has to have a value of 1. However, in real case scenario, the sysdba flag is not required to be able to retrieve all the required metrics from the Oracle database.

Discuss URL: https://discuss.elastic.co/t/metricbeat-oracle-module/215097

Describe a specific use case for the enhancement or feature:
User access as a sysdba is usually not allowed regardless of environment and be it through local or remote access.