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

Define the do while loop, The do while Loop This is very similar to the...

The do while Loop This is very similar to the while loop except that the test occurs at the end of the loop body. This guarantees that the loop is executed at least once before

When should we stop testing, When should you stop testing? It is quite ...

When should you stop testing? It is quite complex to determine as many modern software applications are so complex and run in like an interdependent environment that complete t

Transfer data among computers on the internet, Tool that is used to transfe...

Tool that is used to transfer data/files among computers on the Internet TCP (Transfer control protocol)

What is super scalar architecture, Super scalar architecture Pentium m...

Super scalar architecture Pentium microprocessor is organized with three execution units. One executes floating-point instructions and other two (U-pipe and V-pipe) execute in

What is connection, An established communication session among a server and...

An established communication session among a server and a workstation.

Explain the technique used in asymmetric key cryptography, Explain the tech...

Explain the technique used in the asymmetric Key Cryptography. Asymmetric or public-key cryptography be different from conventional cryptography in which key material is bound

What is the different between index and subscript, Subscript refers to the ...

Subscript refers to the array of occurrence, whereas Index shown an occurrence of a table element. An index can only modified using perform, search & set. Require to have an index

What is multiprogramming, What is multiprogramming or multitasking? The...

What is multiprogramming or multitasking? The operating system manages the concurrent implementation of several application programs to make the best possible uses of computer

What are the basic components of an expert system, Q. What are the basic co...

Q. What are the basic components of an expert system? ANSWER: There are three components of components: Information, people, and IT components. Information kinds are domain exp

Name the four steps in pipelining, Name the four steps in pipelining. F...

Name the four steps in pipelining. Fetch  : Read the instruction from the memory. Decode : Decode the instruction and get the source operand. Execute : Perform the operat

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