Computerised systems should be designed in a way that ensures compliance with the principles of data integrity. The system design should make provisions such that original data cannot be deleted and for the retention of audit trails reflecting changes made to original data.
计算机系统的设计应确保符合数据完整性的原则。系统设计应作出规定,使原始数据不能被删除,并保留反映对原始数据所做修改的审计跟踪。