Based on the feedback from: National University Hospital (Singapore).
Earlier, you could either update or create data by a CSV import. However, you might want to perform both operations simultaneously, e.g., while refreshing data in SpecimenCatalog.
From v8.2, a new option, “Update Else Create,” is introduced. When this mode is selected, OpenSpecimen automatically checks if the data exists based on unique keys and updates the record, if not inserts new data.
For more details, refer: https://openspecimen.atlassian.net/l/c/1iynV5P5