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 the semantics of each field of ethernet frame, Give the format of E...

Give the format of Ethernet frame and explain the semantics of each field. An Ethernet frame starts with headers which have three fields. The 64-bit preamble, which precedes th

Define point-to-point communication, Q. Define Point-to-point Communication...

Q. Define Point-to-point Communication? The simplest form of message is a point to point communication. A message is sent from the transmitting processor to a receiving process

Explain ps-2 connector, PS/2 connector (PS/2 keyboards): These were int...

PS/2 connector (PS/2 keyboards): These were introduced with IBM's PS/2 computers and therefore are known as PS/2 connectors.  They have 6-pins but actually their wiring is just

What is a virtual address, Q. What is a virtual address? Von Neumann ha...

Q. What is a virtual address? Von Neumann had suggested that execution of a program is possible only if program and data are residing in memory. In such a condition program len

What do you understand by client-server architecture, Question: (a) (i...

Question: (a) (i) Explain what do you understand by Client/server architecture? (ii) List and briefly describe 3 types of Client/server architecture. (b) The most impo

Different ways in which a thread can be cancelled, What are the different w...

What are the different ways in which a thread can be cancelled?  Cancellation of a target thread may occur in two different scenarios: Asynchronous cancellation: One thre

Experiment with neural network, Assignment 3.b: Experiment with Neural Netw...

Assignment 3.b: Experiment with Neural Network Background: In this assignment, you will experiment with neural network for solving different types of practical problems. Y

State the term organizational structure, State the term Organizational Stru...

State the term Organizational Structure. A business organization might be structured in many various ways, depending on the environment in that this operates. There are alwa

Assignment, what is an interface and perpheral device

what is an interface and perpheral device

Various interconnection networks-fully connected, Various Interconnection N...

Various Interconnection Networks Fully connected: This is the most controlling interconnection topology.In this each node is directly linked to all other nodes. The shortcomi

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