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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A: To Do: To choose the correct option.

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Q: Consider the following two relations for Millennium College:STUDENT(StudentiD…

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A: Answer:-

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A: option(B) is the correct option.

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A: Answer: I have given answered in the handwritten format in brief explanation.

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Q: Explain why an index is only useful if the values of an attribute vary sufficiently.

A: Introduction: Use of an index with a range of values

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A: Answer: Physical Design:

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A:

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Q: Colour

A:

Q: 1. Consider the following two relations for Millennium College: STUDENT(StudentID, StudentName,…

A: Given:   Database Manament System

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Q: Consider the following two relations for Millennium College:

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.