For courses and users we have a deduplicating step that looks at an unique column and deduplicates based on that.
As we don't record duplicate assignments in the database we don't have that explicit deduplicate step but we do still have to apply DISTINCT as we are joining with other tables.
For courses and users we have a deduplicating step that looks at an unique column and deduplicates based on that.
As we don't record duplicate assignments in the database we don't have that explicit deduplicate step but we do still have to apply DISTINCT as we are joining with other tables.