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Data Models into Database Designs

Data Models into Database Designs
When the parent entity is required and the parent has a surrogate key, update actions can be ignored.

False
True

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Data Models into Database Designs
A foreign key is:

a column containing the primary key of another table.
used to define data types.
All of these
used to define null status.

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Data Models into Database Designs
Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?

MUST NOT
None of these
Both of the above
MUST COVER

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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 contain a monetary value that is less than another monetary value in the same row?

Data type
Null status
Default value
Data constraints

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Data Models into Database Designs
Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?

An interrelation constraint
An intrarelation constraint
A domain constraint
A range constraint

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Data Models into Database Designs
In a 1:N relationship, the foreign key is placed in:

the parent table.
either table without specifying parent and child tables.
the child table.
either the parent table or the child table.

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