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

Evaluate fixed execution time, The statement of Gustafson's law can be desc...

The statement of Gustafson's law can be described with the help of an illustration. Let us take a problem, say P, which has to be solved using a parallel computer. Let Ts be the ti

Determine about the locator devices, Determine about the Locator Devices ...

Determine about the Locator Devices Mouse  A mouse is small hand-held box used to position the screen cursor. Wheels or rollers on the bottom of the mouse can be used to r

Illustrate edge-triggered flip-flops, Q. Illustrate Edge-Triggered flip-flo...

Q. Illustrate Edge-Triggered flip-flops ? Edge-triggered flip-flop is used to synchronize state change at the time of a clock pulse transition in place of constant level. A num

Client server using c, client server or multithreaded client-server, where ...

client server or multithreaded client-server, where server will create pool of worker threads (say 5) to provide services to pool of clients (say 5 ).Server should be behaving as a

Explain approaches to identify free memory area in a heap, Discuss two main...

Discuss two main approaches to identify free memory area in a heap. Two popular systems to identify free memory areas as a result of allocation and de-allocations in a heap are

Determine in detail about the vhdl, Determine in detail about the VHDL ...

Determine in detail about the VHDL Multiple design-units (entity/architecture pairs), which reside in the same system file, may be separately compiled if so desired. Though, it

What is the difference between in two lines of verilog code, What is the di...

What is the difference between the following two lines of Verilog code? #5 a = b; a = #5 b; #5 a = b; Wait five time units before doing the action for "a = b;". Value assig

Multithreaded architecture, Q. Multithreaded Architecture? It is clear ...

Q. Multithreaded Architecture? It is clear at the moment if we provide a lot of contexts to multiple threads then processors with numerous contexts are known as multithreaded s

What is domain explain, Q. What is Domain explain? Domain can be an apa...

Q. What is Domain explain? Domain can be an apartment complex, a town or even a country. Sub-domains can correspond to organizations like expertsmind. United States comes under

Embedded systems and the system in which rtos is running, Explain What is t...

Explain What is the difference among embedded systems and the system in which RTOS is running? Ans) Embedded system can have RTOS and cannot have also. It depends on the requi

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