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

Define rom, Define ROM? It is a non-volatile memory. It includes only r...

Define ROM? It is a non-volatile memory. It includes only reading of stored data.

What are the five popular hashing functions, Five popular hashing functions...

Five popular hashing functions are as follows:- Division Method Midsquare Method Folding Method Multiplicative method Digit Analysis

How do you turn off cookies for one page in your site, How do you turn off ...

How do you turn off cookies for one page in your site?  Use the Cookie. Abandon Property which Gets or sets the discard flag set by the server. When true, this property instruc

Explain in detail about the dynamic timing, Explain in detail about the Dyn...

Explain in detail about the Dynamic timing a. Design is simulated in full timing mode. b. Not all possibilities tested, as it is dependent on input test vectors. c. Simul

What is electronic payment system, What is electronic payment system? E...

What is electronic payment system? Electronic payment systems are alternative cash credit payment methods using various electronic technologies to pay for products and services

How to calculate the logic circuit outputs, How to Calculate the Logic Circ...

How to Calculate the Logic Circuit Outputs? Once the Boolean expression for a circuit output has been acquired, the output logic level can be determined for any set of input le

Determine about the security methods, Determine about the Security methods ...

Determine about the Security methods Security methods also protect information from accidental or intentional modification, manipulation or destruction. Most security experts o

C++, find the minimum total number of shelves including the loading process...

find the minimum total number of shelves including the loading process

How much volts a CMOS logic device has approximately, The logic 0 level of ...

The logic 0 level of a CMOS logic device is approximately ? Ans. The low level is 0 volts approx in CMOS logic device.

Explain the typical functions of operating systems, List the typical functi...

List the typical functions of operating systems. Classical functions of operating system are given as: (1) Process management: A process is a program throughout execution.

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