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 virtual packets, Explain Virtual Packets. The router can't tran...

Explain Virtual Packets. The router can't transfer a copy of a frame from one kind of network to other since the frame formats be different. More significantly, the router cann

What is overflow and underflow case in single precision, What is overflow, ...

What is overflow, underflow case in single precision(sp)? Underflow-In SP it means that the normalized representation needs an exponent less than -126. Overflow-In SP it mea

Quantitative analysis, solve the primal problem using duality and determine...

solve the primal problem using duality and determine the primal and dual solution P= 300x1 + 300x2 S.T. 2x1 + 3x2 => 13 3x1 = 2x2 => 15 x1,x2 => 0

Microprocessor and interfacing, Write an ALP to count positve and numbers f...

Write an ALP to count positve and numbers from array.

Signaling - universal serial bus , Signaling - Universal Serial Bus: U...

Signaling - Universal Serial Bus: USB supports following signaling rates: o   A low speed rate of 1.5 Mbit/s is defined by USB 1.0. This is so much similar to "full speed"

And-elimination rule, And-Elimination rule: In generally English says ...

And-Elimination rule: In generally English says that "if you know that lots of things are all true, so you know like any one of them is also true". Because you can specify a c

What is closed system, Closed System: It's isolated from environment influ...

Closed System: It's isolated from environment influences. It operates on factors within System itself. It is also described as a System which involves a feedback loop, a control e

Differentiate between programming tools and authoring tools, Diffrentiate p...

Diffrentiate programming tools and authoring tools Distinction between programming tools and authoring tools is not at first obvious. Though, authoring tools require less techn

Explain telnet, Explain Telnet Telnet is a Remote Login.

Explain Telnet Telnet is a Remote Login.

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