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Data Models into Database Designs

Data Models into Database Designs
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.

False
True

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Data Models into Database Designs
Which of the following column properties specifies whether or not cells in a column must contain a data value?

Null status
Data constraints
Default value
Data type

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Data Models into Database Designs
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

any alternate key
a surrogate key
a foreign key
the primary key

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Data Models into Database Designs
The identifier of an entity will become the ________ of the new table.

primary key
identity key
main attribute
foreign key

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Data Models into Database Designs
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.

True
False

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Data Models into Database Designs
For every relationship, there are six possible sets of minimum cardinalities.

True
False

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