11. The data processing system of claim 9 , further comprising a program component for managing a plurality of conditional constraints by: determining whether the respective correlation is violated by a data entry; and if the respective correlation is violated, removing the conditional constraint for which the respective correlation is violated.
11. The data processing system of claim 9 , further comprising a program component for managing a plurality of conditional constraints by: determining whether the respective correlation is violated by a data entry; and if the respective correlation is violated, removing the conditional constraint for which the respective correlation is violated. 12. The data processing system of claim 11 , wherein the program component is one of: a database trigger and a Java® component.