Column, index, and stored routine names are not case sensitive on any platform, nor are column aliases. Trigger names are case sensitive, which differs from standard SQL.
A pre-relational databases datamodel. "Preceeded" by the relational model since the flexibility of this makes it hard to work with. Now re-invented in RDF :)
A. Garc\'ıa Frey, G. Calvary, and S. Dupuy-Chessa. Proceedings of the 2Nd ACM SIGCHI Symposium on Engineering Interactive Computing Systems, page 41--46. New York, NY, USA, ACM, (2010)