write query to Create a student table with the student id, name, gender and marks as attributes where the student id is the primary key
Answers
Answer:
) STUDENT - Roll No
PROJECT - ProjectNo
PROJECT ASSIGNED - Registration_ID
All above stated are primary keys because they are unique and cannot not be NULL.
b) Registration_ID and ProjectNo both are foreign keys because they refer to the STUDENT and PROJECT table respectively.
c) Yes, Registration_ID is an alternate key because not two students can have the same registration number.
d) No, because Roll No is a primary key in the student table and duplicate values for primary keys is not allowed.
Answer:
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Explanation:
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