nUsed Mapper to create an operational system in a 4GL, unusual at the time. Used prototyping and productivity improved 8 times vs COBOL.
nManagement decided to teach operational railroad employees to program, rather than teach programmers the intricacies of railroad operations. Operational systems are more hardware intensive, support costs are half, but complaints to IS department nonexistent
nGoal: create generic database that remains stable and used through the company. Mapper DB huge, with many small databases.