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Data Models into Database Designs

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?

Null status
Data type
Data constraints
Default value

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Data Models into Database Designs
A foreign key is used to implement relationships between tables.

False
True

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Data Models into Database Designs
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?

Four
Three
Six
Two

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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?

Data constraints
Default value
Data type
Null status

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

True
False

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Data Models into Database Designs
When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.

False
True

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