determine maximum for the relationship:
city-iscapitalof-state
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one-one
DDL
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Data Definition Language
Attribute minimum
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least number of attribute instances possible for a single entity instance.
Attribute minimum is specified as zero or one
What does specifying a foreign key do to the database?
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When a foreign key is specified the database will restrict any input that
violates referential integrity.
Subtype Entity
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(subcategory) a subset of another entity type. On ER
diagrams, subtype entities are drawn within the supertype.
city-iscapitalof-state
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one-one
DDL
, Give this one a try later!
Data Definition Language
Attribute minimum
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least number of attribute instances possible for a single entity instance.
Attribute minimum is specified as zero or one
What does specifying a foreign key do to the database?
Give this one a try later!
When a foreign key is specified the database will restrict any input that
violates referential integrity.
Subtype Entity
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(subcategory) a subset of another entity type. On ER
diagrams, subtype entities are drawn within the supertype.
