i need urgent answer in 10 minute.i will give you feedback also like or dislike. 2) Specify the following queries on the database schema in Figure 1.2 For each section taught by Professor King, retrieve the course number, semester, year and number of students who took the section. b. Retrieve the names and major departments of all straight-A students. (Students who have a grade of A in all their courses) C. Retrieve the names and major department of all students who do not have a grade of A in any of their courses.

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Fundamentals of Datawarehouse

A data warehouse is a data repository which is used to store large quantities of historical data that are mostly used for creating reports that help businesses to identify their weaknesses and strengths. For example, demographics data about people of a region can help businesses identify the needs and preferences of the region’s population. A data warehouse acts as a central storage for storing data that comes from one or more heterogenous sources. It also consists of data which can be old and of historical value. One of the most important applications of this type of system is that it is used for supporting business intelligence and data analytics applications.