At one of introduction approach of the ERP package and the like, it is not to introduce each business module gradually, the method which lumps together necessary function entirely and simultaneously it introduces & works.

If it does from the concept of ERP as an enterprise application suite it is introduction method of ideal, but the second look at business process and standardization etc. of the data model become necessary with company-wide point of view, as for project in order it enlarges and to complicate, introduction failure risk becomes large.

But, if it succeeds, because the effect is large and can make also system introduction period short,whenit is propelled, as the actualization expedient of BPR it is.