EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
12th Edition
ISBN: 8220101450739
Author: Morris
Publisher: YUZU
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Chapter 9, Problem 3RQ
Explanation of Solution
Acronym of SDLC:
The acronym of SDLC is “System Development Life cycle”.
Things that SDLC depict:
- SDLC is a sequential process which is used to trace the history of the application that is present within the
information system . - The history of the application can be traced from the beginning till its last even though being outdated.
- It is composed of five phases:
- Planning:
- This phase is used to gain overall overview and objective of the company...
- Planning:
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7. Character AnalysisIf you have downloaded the source code you will find a file named text.txt in the Chapter 08 folder. Write a program that reads the file’s contents and determines the following:
The number of uppercase letters in the file
The number of lowercase letters in the file
The number of digits in the file
The number of whitespace characters in the file
Provide the full blue terminal commands & output and other things that are useful
Homework
You have the row vector (A) that has values from (-100 to 100),
write MATLAB codes to:
(1) Interchange the first 10 elements with last ten elements.
(2) Replace the elements at indices (93,9,17,50) of A with 99.
(3) Return the second element and the element before the last
of A as a column vector (C1).
(4) Extract the first five elements and the last five elements of A
and append them as a row vector (R).
(5) Set the elements of A with odd indices to zeros(0).
Chapter 9 Solutions
EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
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