Write the RELATIONAL ALGEBRA expressions and SQL for the following problems:

Student   Enrollment
SID SName Major GradeLevel Age   StudentNum CName PositionNum
100 JONES HISTORY GR 21   100 BD445 1
150 PARKS ACCOUNTING SO 19   150 BA200 1
200 BAKER MATH GR 50   200 BD445 2
250 GLASS HISTORY SN 50   200 CS250 1
300 BAKER ACCOUNTING SN 41   300 CS150 1
350 RUSSELL MATH JR 20   400 BA200 2
400 RYE ACCOUNTING FR 18   400 BF410 1
450 JONES HISTORY SN 24   400 CS250 2
          450 BA200 3
Class
CName Time Room
BA200 M-F9 SC110
BD445 MWF3 SC213
BF410 MWF8 SC213
CS150 MWF3 EA304
CS250 MWF12 EB210
  1. What are the names of all students?
  2. What are the student numbers of all students enrolled in a class?
  3. What are the student numbers of all students not enrolled in a class?
  4. What are the numbers of students enrolled in the class 'BD445'?
  5. What are the names of the students enrolled every class?
  6. What are the names and meeting times of 'PARKS' classes?
  7. What are the grade levels and meeting rooms of all students who enrolled in a class?
  8. What majors of students who enrolled at least two classes?
  9. What are ages of students who enrolled in class 'CS250' or 'BD445'?
  10. What are ages of students who enrolled in class 'CS250' and 'BD445'?

Run your SQL in the Microsoft Access.

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