42) Data marts are data collections that address the needs of a particular department or functional area of a business. 43) Data marts are usually larger than data warehouses. 44) Data analysts...

42) Data marts are data collections that address the needs of a particular department or functional area of a business.

43) Data marts are usually larger than data warehouses.

44) Data analysts who work with data warehouses are experts at data management, data cleaning, data transformation, and data relationships.

45) Users in a data mart obtain data that pertain to a particular business function from a data warehouse.

46) An advantage of data warehouses is the low cost required to create, staff, and operate them.

47) Explain the functions of a data warehouse.

1. Obtain data

2. Cleanse data

3. Organize and relate data

4. Catalog data