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Showing 1–12 of 12 questions
What does cardinality describe in a relationship?
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What is a hierarchical relationship pattern?
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Where does a foreign key column go in one-to-many mapping?
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What must a primary key value never be?
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What is a business rule?
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What is an attribute of an entity?
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Which two are examples of recursive relationships? (Choose two.)
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CORRECT TEXT
In a table, each column holds values of one ______.
Answer is in the explanation below.
DRAG DROP
Match each relational term to its meaning.
Items to match: Relation term meaning, Attribute term meaning, Tuple term meaning, Domain term meaning.
Answer is in the explanation below.
Which two describe subtype relationships? (Choose two.)
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DRAG DROP
Match each mapping case to where the key goes.
Items to match: One-to-many mapping case, Many-to-many mapping case, One-to-one mapping case, Subtype mapping case.
Answer is in the explanation below.
Which two support tracking changes over time? (Choose two.)
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