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

Meaning of every field in mips instruction, Q. Meaning of every field in MI...

Q. Meaning of every field in MIPS instruction? The meaning of every field in MIPS instruction is given below: op: operation code or opcode rs: First register source

What is a lambda expression, A Lambda expression is not anything but an Ano...

A Lambda expression is not anything but an Anonymous Function, can have expressions and statements. Lambda expressions can be used mostly to make delegates or expression tree types

Why is green screen more popular for compositing, Question: (a) Explain...

Question: (a) Explain clearly, from pre-production to post production how you would carry out the scene with multi-camera. (b) What are the there main aspects that should be

What are the different auto reports available in access, What are the diffe...

What are the different auto reports available in Access? The dissimilar auto reports available in Access are: Columnar AutoReport: makes a report where each row is shown ver

State the drawbacks of laptop as compared to PC, State the drawbacks of lap...

State the drawbacks of laptop compared to PC The main disadvantages of laptops compared to desk top PCs are: -  They tend to be more expensive to purchase -  It's easie

By which the information is stored in ROM, The information in ROM is stored...

The information in ROM is stored ? Ans. By the manufacturer throughout fabrication of the device.

By which all systems are identified, In a LAN network every system is ident...

In a LAN network every system is identified by? In a LAN network all systems are identified through IP Address.

Explain the mechanisms of propagation of radio communication, Explain the m...

Explain the mechanisms of propagation of radio communication. Radio communication deals along with electronic radiation of electromagnetic energy from one point to other by the

Write explanatory notes on microprocessor development system, Write explana...

Write explanatory notes on Microprocessor development system. Microprocessor development system: Computer systems have undergone many changes recently. Machines which once fi

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