How we know, whether we have to use DSO or Infocube for
particular data source?
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Answer Posted / jaya
The decision depends on data that you want to store and reporting you want to do .
USE OF DSO
ex:
If data is delta and it is of ABR or AIM type then a DSO will be an info provider needed to use to allow overwrite .
If the delta may have duplicate records then also DSO id required .
If you want to use the data in lookup of other infoprovider then also you need DSO.
DSO offers flexibility in storage as you can use a WDSO and Direct update DSO for different type of requirements .
USE OF CUBE:
Cube is good for reporting .
If we have huge amount of data and need multidimensional reporting then for best reporting performance cube is only solution .
Cube allows aggregates and compression which DSO not have .
Cube is good for line item level of data as it provides line item and high cardinality dimensions.
So use a cube when data amount is large and good reporting performance is required .
Use DSO when more granular data is required or you have delta requirements .Also use DSO when want to use info in other info providers too.
Best way is use 3 layer architecture .
WDSO->DSO->CUBE .
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