What is ODS ?
ODS is a BW architectural component that appears between PSA and InfoCubes and that allows BEx reporting. It is not based on the star schema and is used primarily for detail reporting, rather than for dimensional analysis. ODS objects do not aggregate data as InfoCubes do. Data are loaded into an ODS object by inserting new records, updating existing records, or deleting old records as specified by 0RECORDMODE value.
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