Returns the number of closed questions that weren't closed as duplicates, as a proportion of all questions. Units are "questions per thousand".
Q&A for SharePoint enthusiasts
-- Non-duplicated closed questions -- Returns a count of the number of closed questions that weren't closed as duplicates. select cast(1000 * ( SELECT cast(COUNT(*) as float) FROM PostHistory q WHERE q.PostHistoryTypeId = 10 AND q.Comment != 1 )/( select cast(COUNT(*) as float) FROM Posts ) + .5 as int)