database management system, Computer Engineering

Assignment Help:
Consider the following instance of the Students relation, sorted by gpa.

sid name login age gpa
53831 Madayan madayan@music 11 1.8
53832 Guldu guldu@music 12 2.0
53688 Smith smith@ee 19 3.2
53666 Jones jones@cs 18 3.4
53650 Smith smith@math 19 3.8


For the purposes of this question, assume that these tuples are stored in a sorted file in the order shown. Each page can store up to three data records. So the first three tuples are on page 1, the fourth is on page 2 etc.

I. (20) Explain what the data entries in each of the following indexes contain. If the order of entries is significant, say so and explain why. For definition of terms, refer to the text.
1. An index on gpa using Alternative (1).
2. A clustered index on gpa using Alternative (2).
3. An unclustered index on name using Alternative (3).

Related Discussions:- database management system

What is the difference between a structure and a table, What is the differe...

What is the difference between a structure and a table? Structures are constructed the almost the similar way as tables, the only dissimilarity using that no database table is

Explain the working of dynamic ram - computer memory, Explain the working o...

Explain the working of Dynamic RAM? A plain piece of hardware called a DRAM controller can be used to make DRAM behave more like SRAM and the job of the DRAM controller is to p

State the example of begin end, State the Example of begin end module s...

State the Example of begin end module sequential(); reg a; initial begin $monitor ("‰g a = ‰b", $time, a); #10 a = 0; #11 a = 1; #12 a = 0; #13 a = 1; #

Add references dialog box, What is the difference among "using System.Data;...

What is the difference among "using System.Data;" and directly adding the reference from "Add References Dialog Box"?  When you compile a program using command line, you add th

Fuzzy logic - artificial intelligence, Fuzzy Logic: In the logics we a...

Fuzzy Logic: In the logics we are here described above, what we have been concerned with truth: whether propositions and sentences are true. Moreover, with some natural langua

What is reification, What is reification? It is the promotion of someth...

What is reification? It is the promotion of something that is not an object into an object. Helpful method for Meta applications. It shifts the level of abstraction. Promote

When can a user program execution be interrupted, When can a user program e...

When can a user program execution be interrupted? It won't be desirable to interrupt a program when an instruction is being executed and is in a state such as instruction decod

Explain adaptive routing, Explain adaptive routing. Adaptive routing de...

Explain adaptive routing. Adaptive routing defines the ability of a system, by which routes are characterised through their destination, to change the path that the route takes

Rubbers, engineering plastics ,rubbers ,composites

engineering plastics ,rubbers ,composites

Application to calculate the diameter, Write an application to calculate th...

Write an application to calculate the diameter, circumference, and area of a circle with a radius input by the user. Assign the radius float variable and then output the radius wit

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd