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[ 2 1 Marks ] Specify the following queries in SQL on the database schema of Figure 1 ( a ) [ 7 marks ]

[21 Marks] Specify the following queries in SQL on the database schema of Figure 1
(a)[7 marks] For each department in the university that has more than 1000 students enrolled on it, get the name
of the department and the number of students enrolled in this department.
(b)[7 marks] Retrieve the names of students who took all the courses taught by the instructor whose name is
Smith.
(c)[7 marks] Retrieve the names of all students who have two majors (i.e.. double major students).
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