Consider the following relation schema of students.
STUDENT (Rollno, Name, DOB, Marks, Gender) Which of the given query is equivalent to this query in English? “Find the tuples of student having marks above 80”.
1
σMARKS>80 (STUDENT)
2
ΠMarks<80 (STUDENT)
3
σMARKS<80 (STUDENT)
4
ΠMarks>80 (STUDENT)