I will pay 75.00 to answer the following three questions dealing with “Management Information Systems” Question must be at least 75 words with citations if required. 1. Explain why having referential

I will pay 75.00 to answer the following three questions dealing with “Management Information Systems” Question must be at least 75 words with citations if required.1. Explain why having referential integrity also means data is arranged more efficiently.  2. Compare how the data in transnational databases differs from that in data warehouses?  3.  Name and describe at least two methods for searching and accessing internal databases.