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

Show the spawned program, Q. Show the spawned program? include "pvm3.h"...

Q. Show the spawned program? include "pvm3.h"  main() {    int ptid, msgtag;    char buf[100];    ptid = pvm_parent();    strcpy(buf, "hello, world from ");

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

Hard disk technology - computer architecture, Hard Disk Technology: Fi...

Hard Disk Technology: Figure of a computer hard disk drive           HDDs record data by magnetizing ferromagnetic material directionally, to represent

What decision has the highest expected value, The Prisoner's Dilemma is a w...

The Prisoner's Dilemma is a well-known problem in game theory. Two thieves are arrested and held in custody separately. The police offer each the same deal. Inform on your partn

Sorting circuit along with odd-even merging circuit, Q. Sorting Circuit alo...

Q. Sorting Circuit along with Odd-Even Merging Circuit? The merge sort algorithm needs two circuits which imply that one circuit for merging and another circuit for sorting the

Dataset accept changes and data adapter update method, Explain Dataset Acce...

Explain Dataset Accept Changes and Data Adapter Update methods?  Data Adapter Update method Calls the respective INSERT, UPDATE, or DELETE statements for every inserted, update

Execution of a full instruction - computer architecture, Execution of a ful...

Execution of a full Instruction: Regard as the instruction: Add (R3), R1 Executing this particular instruction needed the below described actions: a) Fetch the

When gravity is the merely force acting on an object, Q. When gravity is th...

Q. When gravity is the merely force acting on an object the object is in what? Answer:- One respond is that it is in free-fall in a vacuum to eliminate atmospheric drag.

Find values of x using 7s complement, Q. Perform binary subtraction, using ...

Q. Perform binary subtraction, using 1s & 2s complement: 1) 1010-1011 2) 0.1111-0.101 3) 11.11-10.111 Q.  (192.25)10 - (C0.C)16 = (x)7 Find values of x, using 7's compl

Which one is better hardware or software firewall, Which one is better hard...

Which one is better hardware or software firewall While deciding whether to buy a hardware or software firewall, the user must consider important factors such as performance an

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