Because business items are highly de-normalized and document centric, straight transformation from business items to a LDM without careful design and normalization could produce a poor LDM.
We also use DJs for batch processing, normalization, and transformation.
我们还用DJs来做批处理、格式化及转换。
3
The logic framework structured design is consisted of theory analysis of function dependency, relation normalization, transformation from E-R model to relation model and data model normalization.