Industry surveys have shown that 50 percent of companies that undertake enterprise system implementations did not realize any benefits

Which of the following statements is false concerning air pollution control?

A) Mobile sources of air pollution include industrial plant, oil refineries, and public utilities. B) The Environmental protection Agency enforces the provisions of the Clean Air Act. C) The Clean Air Act was enacted in 1963 to assist states in dealing with air pollution. D) The Clean Air Act authorizes the EPA to regulate air pollution caused by fuel and fuel additives.

Which of the following would be a reason to denormalize a relation?

A) Relax security B) Lack of design time C) End user preference D) Improve performance E) None of the above