Non-Profit Board Structure

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Questions and Answers

What is the term used to describe a relationship between two attributes in a database table?

Logically dependent

Relations

Determination

Functionally dependent (correct)

Which of the following represents an unknown or missing value in a database table?

Nil

Zero

Null (correct)

Empty

What is a restriction on primary keys in a database table?

It cannot be zero

It cannot be a candidate key

It cannot be a foreign key

It cannot be Null (correct)

Which relational operator is used to combine two tables with identical structures but different data?

Union Signup and view all the answers

What is the result of combining two tables using the UNION operator?

All records from both tables, including duplicates Signup and view all the answers

What is the purpose of a primary key in a database table?

To uniquely identify each record Signup and view all the answers

How can you retrieve students who have fully paid their study fees for both semesters from a school database?

Using the Intersect operator Signup and view all the answers

What is the significance of a candidate key in a database table?

It is a potential primary key Signup and view all the answers

What is the primary function of a Database Management System (DBMS)?

To manage and organize data Signup and view all the answers

What is a characteristic of a workgroup database?

Supports a specific department Signup and view all the answers

What serves as an intermediary between the user and the database?

Database Management System (DBMS) Signup and view all the answers

What is a challenge in file system data management related to data sharing?

Data sharing Signup and view all the answers

What reduces potential errors in database design?

Data models Signup and view all the answers

What is an example of a database constraint?

An employee's salary Signup and view all the answers

What type of relationship exists between a forklift driver and a forklift?

1:* Signup and view all the answers

What are the properties of a student, such as name, surname, and age?

Attributes Signup and view all the answers

Study Notes

Advantages of a Large Board

Having a large board provides sufficient personnel to manage workload and serve on committees
Diverse perspectives are represented, bringing a range of viewpoints to the table
A larger board offers space for a variety of expertise and experience, enriching decision-making processes
In times of leadership change, a large board ensures better continuity and stability
Raising a quorum is easier with a larger board, as there are more members to contribute

Advantages of a Small Board

Communication and interaction among members are facilitated, promoting a sense of cohesion
With fewer members, directors are more likely to be constantly and meaningfully involved, leading to increased satisfaction
A small board fosters a sense of unity, common purpose, and ownership of the work
Scheduling meetings is easier with fewer members, reducing logistical challenges
Oversight is more efficient, as decisions can be made quickly and with greater agility
Small boards respond faster to change, making them more adaptable to shifting circumstances
Members are more engaged and invested in the decision-making process

Advantages of Committees

Committees allow for the pooling of knowledge and experience, leveraging the strengths of individual members
Information can be easily shared and transmitted among committee members, promoting effective communication
Committees promote teamwork and cooperation, encouraging collaboration and mutual support
They provide a platform for employees to express themselves and be heard, fostering a sense of inclusivity
Committees can serve as a vehicle for training potential managers, developing their skills and expertise
By diversifying the power base, committees ensure that decision-making authority is not concentrated in the hands of a few individuals
Multiple interests and concerns can be addressed through various committees, catering to a range of needs and perspectives

Database Management System (DBMS)

Inaccurate advantage of DBMS is increased data inconsistency
DBMS provides improved data access and decision making
Minimized data inconsistency is an advantage of DBMS

Types of Databases

A database that supports a specific department within an organization is a workgroup database

Intermediary between User and Database

Database Management System (DBMS) serves as the intermediary between the user and the database

File System Data Management Challenges

A challenge related to security in file system data repository is data sharing

Database Design

Data models reduce potential errors in database design
Completeness, access control, and relevance are not related to reducing potential errors in database design

Database Constraints

An example of a database constraint is an employee's salary must have values that are between R600 and R230 000

Relationships

A forklift driver drives many different forklifts, but each forklift is driven by only one driver, is a 1:* relationship

Entity Properties

Attributes describe properties of an entity, such as a student's name, surname, and age

Database Models

The logical model is used to logically view data in a database, rather than physically

Functional Dependence

In the context of a database table, each value in column A determines one and only one value in column B, is an example of functional dependence

Null Values

Null indicates an unknown attribute value and a known but missing attribute value in a database table

Primary Keys

Primary keys should be unique and cannot be Null
It cannot be a foreign key is not a restriction to primary keys

Relational Operators

The Intersect relational operator is used to retrieve data that meets multiple conditions, such as students who have fully paid study fees for both first and second semesters

Set Operations

The result of Table 1 UNION Table 2 is a table that combines all rows from both tables, without duplicates

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Description

This quiz assesses the advantages of having a large or small board in a non-profit organization. It covers the benefits of diverse perspectives, expertise, and continuity in a large board, as well as the ease of communication and unity in a small board.