VDM的3种模式

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SAP VDM有3种类型，分别是BASIC、COMPOSITE、CONSUMPTION

#BASIC – Used to pull data from the source tables as well as the other basic views but are not used in reporting.

#COMPOSITE – act as an interface between the basic and the consumption views. Can use source tables or different views to form a data set.

(The above 2 views are more or less the same. The difference is to do with the modeling methodology and the reusability of code.)

#CONSUMPTION – when the views have to be ‘consumed’ by the reporting layer.