JavaScript Callback method not able to call function imported from module

I am trying to implement Oracle database change notification in NodeJS. Function subscribeTimesheetEvent is subscribing to the notification, and one of the inputs is the callback method. In my case it’…

Connection is not defined in oracledb

I am using the oracledb cen node.js module and when making a database connection to make a select, it returns the data but this error also appears: (node:1) UnhandledPromiseRejectionWarning: …