A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ) . Which store subsets of data from a warehouse. A.OLTPs
A.transactions B.dat C.sarts D.OLAPs正确答案C
A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ) . Which store subsets of data from a warehouse. A.OLTPs
A.transactions B.dat C.sarts D.OLAPs正确答案C