If you want to move an on-premises file, the first requirement is to install self-hosted integration run time and then you can create an event-based trigger that can be created in Data factory V2 pipeline which would trigger pipelines based on events
Create a new data factory
After deployment of data factory, click on Author and monitor
Now select copy data
Mention the source data store and import the database which you want to copy, then create a linked service for it.
Mention the destination datastore and then create a linked service for it.
Finally, run the pipeline to copy data from the source data store to the destination datastore.