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

Where can i find conference information, Georg Thimm handles a webpage that...

Georg Thimm handles a webpage that lets you search for upcoming or past conferences in a range of AI disciplines.

Differentiate traditional commerce and electronics commerce, Differentiate ...

Differentiate Traditional Commerce verses Electronics Commerce. Identity: Into traditional commerce customers can simply authenticate the identity of a merchant simply throug

Analysis of amdahls law, Q. Analysis of Amdahls law? The conclusions of...

Q. Analysis of Amdahls law? The conclusions of analysis of Amdahl's law are: 1) To optimize performance of parallel computers modified compilers should be developed that sho

How to calculate colour depth, Q. How to calculate Colour Depth? Colour...

Q. How to calculate Colour Depth? Colour Depth (or number of Colour Planes) is number of bits assigned to every pixel to code colour information in it. These are also known as

Create a complete mp3 player, Write a GUI/MP3 program called MP3Random that...

Write a GUI/MP3 program called MP3Random that reads all MP3 les in a directory and plays them in random order. The GUI should have a little window with: 1. A button Next that s

Use of large register file, Generally the register storage is faster than c...

Generally the register storage is faster than cache andmain memory. Also register addressing uses much shorter addresses than addresses for cache and main memory. Though the number

Why do we need registers, Why do we need Registers? If t cpu is cycle...

Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl

Illustrate control and timing signals, Q. Illustrate control and timing sig...

Q. Illustrate control and timing signals? The requirement of I/O from different I/O devices by processor is quite unpredictable. In fact it relies on I/O needs of particular pr

Software estimation, Software Estimation The statement of scope helps t...

Software Estimation The statement of scope helps the planner to established estimates using one or more method which fail into two wide categories: empirical modeling and decom

Explain assembly language, Explain Assembly Language This is a family o...

Explain Assembly Language This is a family of low-level language for programming computers, microprocessors, microcontrollers etc. They implement a symbolic sign of the numeric

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