Below are the list of top 20 Data Warehouse multiple choice questions and answers for freshers beginners and experienced Data Warehouse Multiple Choice Questions and Answers 1. Which of the following features usually applies to data in a data warehouse? A.Data are often deleted B.Most applications consist of transactions C.Data are rarely deleted D.Relatively few records are processed by applications Ans: c 2. Which of the following statement is true? A.The data warehouse consists of data marts and operational data B.The data warehouse is used as a source for the operational data C.The operational data are used as a source for the data warehouse D.All of the above Ans: c 3. The following is true of three-tier data warehouses: A.Once created, the data marts will keep on being updated from the data warehouse at periodic times B.Once created, the data marts will directly receive their new data from the operational databases C.The data marts are different groups of tables in the data ...