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

Performance equation of computer system, Performance Equation of computer s...

Performance Equation of computer system: Following equation is frequently used for expressing a computer's performance ability: The CISC approach tries to minimize the

Which techniques are utilized to gain on the number pairs, Which techniques...

Which techniques are utilized to gain on the number pairs and also explain how it helps in connecting number of subscribers. In rural areas, subscribers are usually dispersed.

Syntax of $display and $strobe, Syntax of $display and $strobe -  $disp...

Syntax of $display and $strobe -  $display ("format_string", par_1, par_2, ... ); -  $strobe ("format_string", par_1, par_2, ... ); -  $monitor ("format_string", par_1, p

Calculate blocking probability in a two stage network, In a two stage netwo...

In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: Blocking probability Given: N =M =512,

show bank type , Describe an abstract class 'Bank' having abstract methods...

Describe an abstract class 'Bank' having abstract methods as 'CreateAccount' 'depositAmount' & 'withDrawAmount'.Add method definitions for 'CalculateInterest' and 'SetInterest' as

Optical storage - computer architecture, Optical storage - computer archite...

Optical storage - computer architecture: Optical storage, the distinctive Optical disc, stores information in deformities on the surface of a circular disc and reads this info

Minimize the logic function using NAND gate, Minimize the logic function F(...

Minimize the logic function F(A, B, C, D) = ∑ m(1,3,5,8,9,11,15) + d(2,13) using NAND gate with help of K-map. Ans. Realization of given expression by using NAND gates:  In

Explain the working of a demultiplexer, Explain the working of a demultiple...

Explain the working of a demultiplexer with the help of an example. Ans: 1:4 Demultiplexer: Fig.(a) demonstrates the logic circuit of a 1:4 demultiplexer. This has two NOT

The long and short date option , In MS Access, the long and short date opti...

In MS Access, the long and short date option does not show 4 digit years. How do I achieve the mm/dd/yyyy format? Ans) In the date field properties of the table, form, or prop

Explain client server model, Explain Client Server Model. In the client...

Explain Client Server Model. In the client- server model, communication usually takes the form of a request message from the client to the server asking for several works to be

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