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Consider the following relations, SQL query and given instances of relations: (where keys are underlined)
Student (snum, sname)
Enroll (snum, cname)
SELECT S.name FROM Student S WHERE
S.snum NOT IN (SELECT E.snum FROM Enroll E)
Number of tuples returned by the SQL query is ________.
Correct answer is '2'. Can you explain this answer?
Verified Answer
Consider the following relations, SQL query and given instances of re...
SELECT S.Name FROM Student S WHERE
S.snum NOT IN (SELECT E.snum FROM Enroll E)
It return snum of all students who is enrolled in any course.
Query return the sname of a student who is not enrolled in any course.
SQL does not eliminates duplicate so relation given by SQL query is
Total 2 tuple returns.
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Most Upvoted Answer
Consider the following relations, SQL query and given instances of re...
SELECT S.Name FROM Student S WHERE
S.snum NOT IN (SELECT E.snum FROM Enroll E)
It return snum of all students who is enrolled in any course.
Query return the sname of a student who is not enrolled in any course.
SQL does not eliminates duplicate so relation given by SQL query is
Total 2 tuple returns.
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Consider the following relations, SQL query and given instances of relations: (where keys are underlined)Student (snum, sname)Enroll (snum, cname)SELECT S.name FROM Student S WHERES.snum NOT IN (SELECT E.snum FROM Enroll E)Number of tuples returned by the SQL query is ________.Correct answer is '2'. Can you explain this answer?
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Consider the following relations, SQL query and given instances of relations: (where keys are underlined)Student (snum, sname)Enroll (snum, cname)SELECT S.name FROM Student S WHERES.snum NOT IN (SELECT E.snum FROM Enroll E)Number of tuples returned by the SQL query is ________.Correct answer is '2'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Consider the following relations, SQL query and given instances of relations: (where keys are underlined)Student (snum, sname)Enroll (snum, cname)SELECT S.name FROM Student S WHERES.snum NOT IN (SELECT E.snum FROM Enroll E)Number of tuples returned by the SQL query is ________.Correct answer is '2'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following relations, SQL query and given instances of relations: (where keys are underlined)Student (snum, sname)Enroll (snum, cname)SELECT S.name FROM Student S WHERES.snum NOT IN (SELECT E.snum FROM Enroll E)Number of tuples returned by the SQL query is ________.Correct answer is '2'. Can you explain this answer?.
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