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

Evaluation stack architecture, Q. Evaluation Stack Architecture? A stac...

Q. Evaluation Stack Architecture? A stack is a data structure which implements Last-In-First-Out (LIFO) access policy. You can add an entry to the with a PUSH(value) as well as

What are the type of internet connection, What are the type of Internet con...

What are the type of Internet connection When determining requirements for a VPN, carefully estimate the number of systems to be put behind the VPN, the number of concurrent u

Characteristics of input- output channels, Q. Characteristics of input- out...

Q. Characteristics of input- output channels? The I/O channel represents an extension of DMA concept. An I/O channel has ability to execute I/O instructions that gives complete

What do you mean by inline function, The idea behind inline functions is to...

The idea behind inline functions is to insert the code of a known function at the point where the function is called. If done carefully, this can improve the application's performa

Explain properties of the webservice attribute, Question: (a) (i) Expl...

Question: (a) (i) Explain properties of the WebService attribute. (ii) Discuss three properties of the WebMethod attribute. (b) What are WSDL documents used for? (c)

What is a process scheduling, What is a Process Scheduling? Scheduling...

What is a Process Scheduling? Scheduling is a key element of the workload management software that usually performs several or all of: Queuing Scheduling Monito

I want a computer science homework tutor, I can send you the lecture notes ...

I can send you the lecture notes and assignments, and you will walk me through (either record a screencast, or kind on the assignments in red colored font) steps on how to do the a

List one advantage & disadvantage of having large block size, List one adva...

List one advantage and one disadvantage of having large block size. Ans: Advantage: By using a huge block of memory is maximum process's accommodation that resulting is less no

How can a parent and child process communicate, How can a parent and child ...

How can a parent and child process communicate? A parent and child can communicate by any of the normal inter-process communication schemes (pipes, sockets, message queues, sha

Explain the criteria to classify data structures, Explain the criteria to c...

Explain the criteria to classify data structures used for language processors? The data structures utilized in language processing can be classified upon the basis of the subse

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