4-1 Module Four Quiz LATEST EXAM
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In order to be used as a primary key, which of these characteristics must an attribute possess with
respect to a single instance of the entity? Select all that apply. - Answer:an attribute is termed singular
when there is a maximum of one attribute instance. An attribute is unique when each instance of it
describes at most one entity instance. It is a required attribute if there needs to be at least one instance
of it.
True or false: A singular attribute is also known as a unique attribute - Answer:False
Relationship names and types of relationship maxima or minima that each could have are listed below.
Match each relationship in the list below to the type of relationship maxima or minima. -
Answer:Person-Assigned-SocialSecurityNumber, the maxima is one-one
CubicleNumber-Assigned-to-Employee, the maxima is one-many
Birthdate-Recorded-for-a Person, the minima is one-zero
Women-Bearing-Children, the minima is zero-zero
A ride-sharing app's discount system for riders is configured such that a ride discount is triggered only if
at least two RiderIDs book a ride in the same CarID at the same time. Which of the following is true of
the relationship RideDiscount-is-Applicable? Select one. - Answer:The relationship minimum for
RideDiscount-is-Applicable is One-Two given the business rule described.
Your professor is advising a new crowd-funding app for women's self-help groups (SHGs) in Latin
America on their database architecture. This is the business requirement she has worked on: All
campaigns belong to a SHG. An SHG must exist before a campaign is created, and when an SHG is
Review Comprehensive Questions &
Answers. SNHU
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Fast communication and timely updates
Strict confidentiality and privacy
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✓ Online Class Management
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✓ Weekly Discussion Participation
✓ Coursework Tracking
✓ Academic Scheduling Support
✓ Exam Preparation Guidance
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📧 WhatsApp: +254799356524
🔗 https://wa.me/254799356524
In order to be used as a primary key, which of these characteristics must an attribute possess with
respect to a single instance of the entity? Select all that apply. - Answer:an attribute is termed singular
when there is a maximum of one attribute instance. An attribute is unique when each instance of it
describes at most one entity instance. It is a required attribute if there needs to be at least one instance
of it.
True or false: A singular attribute is also known as a unique attribute - Answer:False
Relationship names and types of relationship maxima or minima that each could have are listed below.
Match each relationship in the list below to the type of relationship maxima or minima. -
Answer:Person-Assigned-SocialSecurityNumber, the maxima is one-one
CubicleNumber-Assigned-to-Employee, the maxima is one-many
Birthdate-Recorded-for-a Person, the minima is one-zero
Women-Bearing-Children, the minima is zero-zero
A ride-sharing app's discount system for riders is configured such that a ride discount is triggered only if
at least two RiderIDs book a ride in the same CarID at the same time. Which of the following is true of
the relationship RideDiscount-is-Applicable? Select one. - Answer:The relationship minimum for
RideDiscount-is-Applicable is One-Two given the business rule described.
Your professor is advising a new crowd-funding app for women's self-help groups (SHGs) in Latin
America on their database architecture. This is the business requirement she has worked on: All
campaigns belong to a SHG. An SHG must exist before a campaign is created, and when an SHG is