Reg Data fields in DSO

Hello SAP Guru's!!!!
I have some doubt on maximum number of data fields in DSO. I gone through so many threads on SCN, but could not clarify my doubt.
The max no of key fields in DSO is -- 16
Max no of data fields in DSO is --749.
But i read in some of the scn documents  a table can have maximum 256 columns .
DSO is also like a two dimensional table which can also have the same properties of a two dimensional table.
if the above statement of mine is correct.. the number of columns in a DSO is 256 columns = 16(primary key)+240 (data fields--non key fields)
but how come 749 data fields (max) will be there ? if it is so ... the max no of  fields will be  749+16 = 765.
I need some clarification on this ....
Awaiting for your responses!!!!
regards,
vamshi

Hi Rajavamshi,
For DSO:
1. See for Standard DSO we have Key fields & Data Fields will be there
2. Key Fields will store only Characterisitc Info Objects, maximum no.of characteristic info object we can add here was 16
3. But in Data fields we can add both Characterstics & Keyfigure infoobjects, Max of 749 data fields we can add here.
4. Atleast one field should be there in either Key fields & Data fields.
For InfoCube :
1. Info cube structure will be having the 16 Dimensions and the Key Fields.
2. In that 16 Dimensions 13 User defined and the 3 pre defined dimensions.
3. One user defined Dimension will maximum can hold 248 Characteristics Info Object, not the Keyfigure Info Object here.
4. But the Key Fields here will store maximum will hold 233 Key Figure Info Object.
Thanks..!!
Regards,
Harish. K

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