Hi Srinu
Please find the details below.
0CCA_C11 and 0COOM_C02 are the infocubes which gets directly loaded from both of the datasources mentioned.
0CCA_O09 is a DSO which gets loaded from 0CO_OM_CCA_9 alone.
Below link will give you all the information that you need.
CO-OM-CCA: Costs and Allocations - Fund Accounting - SAP Library
Regards
Karthik