Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Previously searched by you
Previously searched by you
logo
  • Namibia University Of Science And Technology
  • 07BLAM
To add items to your wishlist, you must be logged in
Class notes

Database notes

Rating
-
Sold
-
Pages
61
Uploaded on
14-04-2025
Written in
2024/2025

is a comprehensive and well-structured guide that introduces students to the foundational principles and architecture of database systems. Designed for university-level learners and IT enthusiasts, this two-part lecture presentation bridges theoretical concepts with real-world database applications.

Show more Read less
Institution
Namibia University Of Science And Technology
Course
07BLAM

Content preview

Faculty of Computing and Informatics

Week 6
Database Design Continued

,RECAP
The questions to ask:
What are the entities (= objects, individuals) in the organization?
Which relationships exist among the entities?
What information (= attributes) do we want to store about these
entities and relationships?
What are the business rules of the organization?
Which integrity constraints do arise from them?
The answers are represented in an Entity Relationship Diagram (ER
diagram)

,CHEN’S NOTATION
Entity
Student

Attribute StudentNumb
GivenNam
er
e

Relationship
enrol
Cardinality Student
s
Course

, EXAMPLE OF CHEN’S
NOTATION ERD
Report Copyright Violation

Written for

Institution
Namibia University of Science and Technology
Course
07BLAM
All documents for this subject (2)

Document information

Uploaded on
April 14, 2025
Number of pages
61
Written in
2024/2025
Type
Class notes
Professor(s)
S.chivuno
Contains
All classes

Subjects

  • database normalizingdbmslogical physical design
$9.49
Get access to the full document:
Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF
Get to know the seller
Seller avatar
gracenatalie

Get to know the seller

Seller avatar
gracenatalie NUST
View profile
Follow You need to be logged in order to follow users or courses
Sold
-
Member since
1 year
Number of followers
0
Documents
4
Last sold
-

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Recently viewed by you

Thumbnail
Interview
class notes
-
2021
$ 7.99 More info

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Learn more Create citation
Working on your references?

Frequently asked questions