Consider the following two relations for Millennium College: STUDENT(StudentID, StudentName, CampusAddress, GPA) REGISTRATION(StudentID, CourseID, Grade)  Following is a typical query against these relations: SELECT Student_T.StudentID, StudentName, CourseID, Grade FROM Student_T, Registration_T WHERE Student_T.StudentID = Registration_T.StudentID  AND GPA > 3.0 ORDER BY StudentName; a. On what attributes should indexes be defined to speed up this query?  Give the reasons for each attribute selected. b. Write SQL commands to create indexes for each attribute you  identified .

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Consider the following two relations for Millennium College:
STUDENT(StudentID, StudentName, CampusAddress, GPA)
REGISTRATION(StudentID, CourseID, Grade)
 Following is a typical query against these relations:
SELECT Student_T.StudentID, StudentName, CourseID, Grade
FROM Student_T, Registration_T
WHERE Student_T.StudentID = Registration_T.StudentID
 AND GPA > 3.0
ORDER BY StudentName;
a. On what attributes should indexes be defined to speed up this query?
 Give the reasons for each attribute selected.
b. Write SQL commands to create indexes for each attribute you
 identified . 

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