Skip to main content
5 events
when toggle format what by license comment
Feb 19, 2013 at 3:30 comment added Joel Brown @just.another.programmer: See the edit to my answer. The SQL you're proposing almost right. Use not equal to one since you want to have some relationship, but not multiple relationships.
Feb 19, 2013 at 3:28 history edited Joel Brown CC BY-SA 3.0
Added an answer to a follow-up question from OP.
Feb 18, 2013 at 21:18 comment added just.another.programmer If I use select col2 from tbl group by col2 having count(distinct col1) > 1, and get zero rows back, does it mean col2 has a functional dependency on col1?
Feb 18, 2013 at 20:32 vote accept just.another.programmer
Feb 13, 2013 at 12:49 history answered Joel Brown CC BY-SA 3.0