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Re:Why Don't We Have a General-Purpose Tree Editor? (2014) by osxman on Monday February 06, 2017 @08:36AM (#13579243)
Joe Celko's Trees and Hierarchies in SQL for Smarties (book) is a good start for better understanding/defining trees. http://a.co/9eVzvji
Re:Why Don't We Have a General-Purpose Tree Editor? (2014) by petepete on Monday February 06, 2017 @08:55AM (#13579403)
There's a very useful chapter in Karwin's SQL Antipatterns on this topic too.