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

What is meant by maskable interrupts, A interrupt that can be turned off by...

A interrupt that can be turned off by the programmer is called as Maskable interrupt.

Give an example of shortest job next scheduling, Consider the following set...

Consider the following set of jobs with their arrival  times, execution time (in minutes), and deadlines. Job Ids Ar r ival Time E xecuti

What is remote login, Remote Login  A login that permits a user termina...

Remote Login  A login that permits a user terminal to connect to a host computer by a network or direct telecommunications link, and to interact with that host computer as if t

When is a memory unit called as ram, When is a memory unit called as RAM? ...

When is a memory unit called as RAM? A memory unit is called as RAM if any location can be accessed for a read or writes operation in some fixed quantity of time that is indepe

Define miss rate, Define miss rate? It is the number of misses' states ...

Define miss rate? It is the number of misses' states as a fraction of attempted accesses.

Explain potential of parallelism, Potential of Parallelism Problems in ...

Potential of Parallelism Problems in the actual world differ in respect of the amount of inherent parallelism intrinsic in respective problem domain. Some problems can be easil

Application of Theory of computation in DBMS, Sir/Mam, I want to know the a...

Sir/Mam, I want to know the application of Theory of computation in DBMS

Cisc approach - cisc architecture, CISC Approach - CISC architecture: ...

CISC Approach - CISC architecture: The main goal of CISC architecture is to finish a task in as few lines of assembly as possible as. This is gain by building processor hardwa

What are kinds of processors, Processors can broadly be seperated into the ...

Processors can broadly be seperated into the categories of: CISC, RISC, hybrid, and special purpose.

Explain the term- variables, Explain the term- Variables - Variables ar...

Explain the term- Variables - Variables are used for local storage of data -  Variables are usually not available to multiple processes and components. -  Variables would

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