Query By Example QBE <database, language> (QBE) A {user-friendly} {query language} developed by Moshé Zloof of {IBM} in 1975. (http://informatik.uni-trier.de/~ley/db/indices/a-tree/z/Zloof:Mosh=eacute=_M=.html). [Moshé M. Zloof, "Query By Example", AFIPS NCC 1975: 431-438]. [Moshé M. Zloof, "Query-by-Example: A Data Base Language", IBM Systems Journal 16(4): 324-343, 1977]. ["QBE/OBE: A Language for Office and Business Automation", M.M. Zloof, Computer pp.13-22, May 1981]. (2001-03-25)