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Questions and Answers
What is a unary relationship?
What is a unary relationship?
- Relationship between instances of three entity types
- Relationship between the instances of a single entity type (correct)
- Relationship between instances of different degrees
- Relationship between instances of two entity types
In a binary relationship, how many entity types are involved?
In a binary relationship, how many entity types are involved?
- One
- Two (correct)
- Three
- Variable, depending on the situation
Which type of relationship is characterized by simultaneous connections among three entity types?
Which type of relationship is characterized by simultaneous connections among three entity types?
- Quaternary Relationship
- Ternary Relationship (correct)
- Binary Relationship
- Unary Relationship
What does minimum cardinality refer to?
What does minimum cardinality refer to?
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What is the most common type of relationship encountered in data modeling?
What is the most common type of relationship encountered in data modeling?
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Which option best defines the concept of 'maximum cardinality'?
Which option best defines the concept of 'maximum cardinality'?
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What is a common characteristic of binary relationships?
What is a common characteristic of binary relationships?
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'Patient has Patient History' is an example of what kind of relationship?
'Patient has Patient History' is an example of what kind of relationship?
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'Product Vendor supplies Warehouse' is an example of what type of relationship?
'Product Vendor supplies Warehouse' is an example of what type of relationship?
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'Person is married to' would best represent which type of relationship?
'Person is married to' would best represent which type of relationship?
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