Top "No-duplicates" questions

The "duplicates" tag concerns detecting and/or dealing with multiple instances of items in collections.

How to Use Multiple Columns in Partition By And Ensure No Duplicate Row is Returned

I have used multiple columns in Partition By statement in SQL but duplicate rows are returned back. I only want …

sql-server-2008 no-duplicates partition-by
R rbind error row.names duplicates not allowed

There are other issues here addressing the same question, but I don't realize how to solve my problem based on …

r rbind no-duplicates