Surrogate primary keys are especially helpful when there is no _____ key.
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natural
The default comparison condition for the subtype discriminator attribute is the _____
comparison
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equality
Improving _____ leads to more flexible queries.
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atomicity
According to the data-modeling checklist, _____ should be nouns that are familiar to
business, should be short and meaningful, and should document abbreviations,
synonyms, and aliases for each entity.
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entity names
The main concern with redundant relationships is that they remain _____ across the
model.
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consistent
Implementing nonoverlapping subtypes requires the use of one discriminator
attribute for each subtype.
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false
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natural
The default comparison condition for the subtype discriminator attribute is the _____
comparison
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equality
Improving _____ leads to more flexible queries.
, Give this one a try later!
atomicity
According to the data-modeling checklist, _____ should be nouns that are familiar to
business, should be short and meaningful, and should document abbreviations,
synonyms, and aliases for each entity.
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entity names
The main concern with redundant relationships is that they remain _____ across the
model.
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consistent
Implementing nonoverlapping subtypes requires the use of one discriminator
attribute for each subtype.
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false
