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Data Models into Database Designs

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

True
False

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Data Models into Database Designs
The terms alternate key and candidate key mean the same thing.

True
False

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Data Models into Database Designs
For every relationship, there are six possible referential integrity actions.

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

Data type
Null status
Data constraints
Default value

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Data Models into Database Designs
Which is not true about surrogate keys?

They are fixed.
They have meaning to the user.
They are short.
They are numeric.

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Data Models into Database Designs
All primary keys are required.

False
True

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