it is in management information system please answer quickly I don't have time only 5 minutes

Bottom up approach is uogested by IT consultants to increase the cost of data warehousing Select one onue Data Warehouse moes non operational data Select one True False When the data is recorded in different units, the process of making it in a uniform measure is called as O a Time variation of data Ob. Merger of data Oc Non operation of data Od Standardization of data