1. Create two different "Views" using below relations, then Alter one of the Views and Drop the other one. After that discuss why Views are used by giving examples using relations from the tables below.

Student Relation

Student_ID	Student_Name	Dept_Name
0000	AAAAA	Computer Science
1111	BBBBB	Computer Science
2222	CCCCC	Business Administration
3333	DDDDD	Education
4444	EEEEE	Physics
5555	FFFFF	History

Student_Courses Relation

Student_ID	Course_ID	Section	Year	Grade
0000	CS 2203	2	2020	A
0000	CS 1101	1	2019	A
1111	CS 1101	5	2019	B
1111	CS 1102	1	2019	B
1111	CS 2204	1	2020	A
1111	CS 2401	1	2020	A
2222	BUS 1101	3	2019	C
2222	BUS 2201	1	2020	B
2222	BUS 3302	1	2020	B
3333	EDUC 5010	1	2019	A
3333	EDUC 5210	1	2020	B
4444	PHY 1101	4	2019	A
4444	PHY 2202	1	2020	C
4444	PHY 3304	1	2020	A