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Suppose that there are three relationships in a database: Student relationship: S(SNO, SNAME, AGE, GENDER, DEPT) Enroll relationship: SC(SNO, CNO, GRADE) Course relationship: C(CNO, CNAME)

Suppose that there are three relationships in a database:

Student relationship: S(SNO, SNAME, AGE, GENDER, DEPT)

Enroll relationship: SC(SNO, CNO, GRADE)

Course relationship: C(CNO, CNAME)

Here, the abbreviation and their full name correspond as:

SNO

Student Id number

DEPT

Student department

SNAME

Student name

CNO

Course number

AGE

Student age

GRADE

Course grade for certain student

GENDER

Student gender

CNAME

Course name

Please read the questions carefully and write the following queries in T-SQL format (No need to execute each query).

  1. Query the id number and the grade of the students who enrolled the course whose course number is C2.
  2. Query the id number and the name of the students who enrolled the course whose course number is C2.
  3. Query the id number and the name of the students who enrolled the course whose name is SQL and NoSQL.
  4. Query the id number of the student who enrolled C2 or C4 course.
  5. Query the id number of the students who at least enrolled C2 and C4 courses.
  6. Query the id number, name, and age of the students who did not enroll C2 course.
  7. Query the names of the students who enrolled all of the courses.
  8. Query all of the id number and name of the students who enrolled the courses that were also enrolled by student whose id number is S3.
  9. Query all of the id number, name, gender, and department of the students who did not enroll in Network Admin w TCP/IP course.
  10. Query all of the id number and name of the male students whose grade is 80-90 in the course of SQL and NoSQL.

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