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

Explain about the cathode ray tube technology, Cathode Ray Tube Technology ...

Cathode Ray Tube Technology (CRT) CRT is an analog device that is used by a digital device - computer. The interface between these two devices is described. The major component

Explain in brief about the broadband, Explain in brief about the broadband ...

Explain in brief about the broadband It isn't just computers which can be linked without wires, different peripheral devices can be linked to a computer system without the need

What is a scope resolution operator, A scope resolution operator (::), can ...

A scope resolution operator (::), can be used to describe the member functions of a class outside the class.

Explain a public key encryption system, Explain a public key encryption sys...

Explain a public key encryption system? A public key encryption system permits only the correct receiver to decode the data.

What is a cgi bin directory, A CGI bin directory is a special directory on ...

A CGI bin directory is a special directory on the server where CGI scripts are allowed to be implemented. Most servers are configured to only permit CGI scripts to be implemented f

Describe in brief about the internet, Describe in brief about The internet ...

Describe in brief about The internet Web sites need to be set up to maximise information supplied to customers and to ensure they are as self-contained and helpful as possible.

Translator for low level programming language, Translator for low level pro...

Translator for low level programming language were termed as? Ans. Translator for low level programming language is called as Assembler.

What is visualisation - search based tools, Q. What is Visualisation - sear...

Q. What is Visualisation - search based tools? Visualization is a common method in contract to search based tools. In this scheme visual aids are supplied as pictures to help p

Define message passing, Q. Define Message Passing? The PVM communicatio...

Q. Define Message Passing? The PVM communication model offers asynchronous blocking receive and asynchronous blocking send and nonblocking receive functions. In our terminology

What is control panel, A system utility that comes with Windows that permit...

A system utility that comes with Windows that permits the use to change a variety of dissimilar Windows and system settings.

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