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 working of dynamic ram - computer memory, Explain the working o...

Explain the working of Dynamic RAM? A plain piece of hardware called a DRAM controller can be used to make DRAM behave more like SRAM and the job of the DRAM controller is to p

Device controllers, All components of computer communicate with processor b...

All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to

Example of asymptotic notations, Q. Example of asymptotic notations? Th...

Q. Example of asymptotic notations? The function f (n) belongs to the set  (g(n)) if there exists positive constants c such that for satisfactorily large values of n we have 0

Programming with loops and comparisons, Q. Programming with loops and compa...

Q. Programming with loops and comparisons? This segment deals with more practical illustrations employing comparison, loops and shift instructions. Simple Program Loops

8086 microprocessor, In SDK – 86 kit 128KB SRAM and 64KB EPROM is provided ...

In SDK – 86 kit 128KB SRAM and 64KB EPROM is provided on system and provision for expansion of another 128KB SRAM is given. The on system SRAM address starts from 00000H and that

Explain about the object identity of object oriented, Explain about the Obj...

Explain about the Object Identity of object oriented analysis Object identity is a feature of an object that differentiates the objects from all other objects in the applicati

Advantages offered by data mining, Advantages offered by Data Mining: 1...

Advantages offered by Data Mining: 1.  Facilitates discovery of knowledge from big, massive data sets. 2.  Can be used within dissimilar application areas by Fraud detection

Address translation with dynamic partition, Address translation with dynami...

Address translation with dynamic partition : Given figure shows the address translation process with dynamic partitioning, where the processor provides hardware support for

State in brief about virtual memory, What is Virtual memory The term v...

What is Virtual memory The term virtual memory signifies something that appears to be present though actually it is not. Virtual memory technique enables users to use more mem

Meaning of all variable, A project having of a set of jobs and a set of pre...

A project having of a set of jobs and a set of precedences, where precedence (i; j) show that job j cannot begin before job i is completed. Let c i be the duration of job i. We wi

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