Automate upload from CSV or updating database

Hello,
Is there a way to upload from CSV without converting to JSON?
I have a database that needs to be updated weekly, and CSV upload using content manager only appends the data, not checking for duplicates.

Hi Uri,

Try looking into the following
https://support.wix.com/en/article/about-importing-data-to-your-collection-in-the-content-manager#about-updating-existing-items

Thanks
Adi