----- Display names of students, who received an ‘F’ as their final grade in winter 2013. Use a
join using JOIN…ON syntax.
-----Display the titles of all courses taught by Professor Sen
----- Find all New York and New Jersey students. Display student ID, last name, first name, and
state.
Solution
1. Display names of students, who received an ‘F’ as their final grade in winter 2013. Use a
join using JOIN…ON syntax.
select firstname,lastname,
from (student join Grade using (ID ))
where STUDENT.Student.ID=GRADE.student_ID AND
GRADE.final grade='F' and GRADE.Exam='winter 2013'
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2. let us consider two relations courses and instructors
1. COURSES (course_id,course_title) ;
2. INSTRUCTORS (course_id (foreign key), prof_id, prof_name) ;
-Display the titles of all courses taught by Professor Sen
Select course_title
from COURSES C, INSTRUCTORS I
WHERE C. course_id=I.course_id and I.prof_name='Sen';

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3.Find all New York and New Jersey students. Display student ID, last name, first name,
and state.
lets consider student relation:
Student(student_id,firstname,lastname,mname,age,course,state);
select student_ID, lastname, firstname,state
from STUDENT
WHERE state='New York' OR state='New Jersey';