Here I start with Classes of Data in SAP-BW:
There are 3 classes of data in SAP-BW.
1. Master Data : It Describes Business
2. Transaction Data : It Describes Business Event.
3. Configuration Data :
Master Data is further classified into 3 types:
1. Attribute Data: It describes
2. Text Data:
3. Hierarchical Data:
Transaction Data is further divided into 2 types:
1. Document Data
1. Header Data
2. Item Data
3. Schedule line Data
2. Summary Level Data