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Data Models into Database Designs

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

Default value
Null status
Data constraints
Data type

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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?

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

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Data Models into Database Designs
An ideal primary key is short, numeric and seldom changing.

True
False

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Data Models into Database Designs
Each entity is represented as a(n):

table.
file.
attribute.
tuple.

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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?

Default value
Null status
Data type
Data constraints

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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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