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Data Models into Database Designs

Data Models into Database Designs
Intersection tables are ID-dependent on both their parent tables.

False
True

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Data Models into Database Designs
In 1:N relationships, which entity becomes the parent entity is arbitrary.

False
True

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Data Models into Database Designs
Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?

Null status
Data type
Default value
Data constraints

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Data Models into Database Designs
A primary key should be defined as:

None of these
NOT NULL.
Either of the above can be used.
NULL.

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Data Models into Database Designs
Surrogate keys have much meaning for users.

False
True

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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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