User Account

All Pages

HOMEWORK 9.., Basic Computer Science

Assignment Help:
AsBased on Chapter Review Problems from the book.
1

#1. What is meant by data independence? Explain your answer.
#2. Identify two benefits of separating application software from the database management system.
#3. Design a relational database containing information about music composers, their lives, and their compositions. (Avoid redundancies similar to those in Figure 9.4)
#4. Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file?
#5. The chapter drew parallels between a traditional file index and the file directory system maintained by an operating system. In what ways does an operating system’s file directory differ from a traditional index?


2
When would you choose to implement distributed databases, rather than local databases? Would you go for this design if all your computers were localized in one building? What if they are spread out in your country? What would you recommend when they are spread worldwide? When would you mirror databases and when would you use databases tailored for the local environment?

3
Design a hashed file of words that could be used as a spell checker. What would you use as a hash function? Would your choice of a hash function depend on the language from which the words are chosen? Why should such a file not be stored as a sequential file?
question #Minimum 100 words accepted#

Related Discussions:- HOMEWORK 9..

Identify important elements of multimedia, Problem 1 Identify important...

Problem 1 Identify important elements of Multimedia and explain with example. Stating important elements of Multimedia with example of each Problem 2 Explain a

Paper system, Paper System : When setting up a computer system you need to...

Paper System : When setting up a computer system you need to ask yourself 'Does the system you plan to operate work manually, i.e., on paper?' It is a popular misconception that t

What is Decode or execution cycle?, just the once the instruction has bee...

just the once the instruction has been fetched and is accumulated, the next step is to decode the instruction so as to work out what actions should be performed to execute it. This

Example of autonomous rational agents, Example of autonomous rational agent...

Example of autonomous rational agents-Artificial intelligence The procedure of waste water treatment After the level of pollutants in waste water is find out,  following 5

[email protected], Excel spreadsheet answers

Excel spreadsheet answers

Types of printers, Types of Printers 1. Impact printers The impact...

Types of Printers 1. Impact printers The impact printers produce the image through a mechanism of striking on the stationary. 2. Line Printer This type of printer

Websites, Hanson websites are built to work for your business and are built...

Hanson websites are built to work for your business and are built on the concept of intelligent website. An intelligent website is more than just a brochure on the web. It allows y

Jsp project, how to save a Vector theList to a .txt file and read that .t...

how to save a Vector theList to a .txt file and read that .txt file to a jsp page /??

Converting binary to decimals, can you help me convert binary to decimals

can you help me convert binary to decimals

BSCS, AOL

AOL

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd