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 traffic handling capacity, Traffic Handling Capacity is given by ...

Traffic Handling Capacity is given by (A)  Switching capacity × Theoretical maximum load (B)  Switching capacity / Theoretical maximum load (C)  Theoretical maximu

Calculating block size - computer architecture, Calculating Block Size: ...

Calculating Block Size: B A unit of associatively -one tag for B A words B T unit of transfer-B T words to/from primary memory as a unit             One valid bit for

Logical drives is it possible to fit onto a physical disk, How many logical...

How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo

Database system, What are the three data anomalise that are likely to occur...

What are the three data anomalise that are likely to occur as a result of data redundancy?

Make your simulation run faster, Ameliorating the mechanical delays of seek...

Ameliorating the mechanical delays of seeks and rottion are usually regardeed as major aspects of device drivers for disks. The simplest way for a disk device driver to service dis

Explain the architectural framework for electronic commerce, Explain the Ar...

Explain the Architectural framework for electronic commerce. An application independent framework to categorize service interaction relies on four basic dimensions   1.  Ser

Differentiate between gateways and bridges, Differentiate between Gateways ...

Differentiate between Gateways and Bridges. A machine that connects a LAN to the Internet is termed as a gateway. The gateway machine is responsible for routing packets that ar

Multithreaded architecture, Multithreaded Architecture:  It is clear now th...

Multithreaded Architecture:  It is clear now that if we give many contexts to multiple threads, then processors with multiple contexts are known as multithreaded systems. These sys

arithmetic pipelines, Arithmetic Pipelines The method of pipelining ca...

Arithmetic Pipelines The method of pipelining can be applied to a variety of complex and slow arithmetic operations to speed up the processing time. The pipelines used for arit

Asynchronous and Synchronous types of serial communication, Differentiate b...

Differentiate between asynchronous and synchronous types of serial communication. Serial data communication uses two fundamental types, asynchronous andsynchronous. With synchr

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