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Data Models into Database Designs

Data Models into Database Designs
In a 1:1 relationship, the primary key placement is arbitrary.

True
False

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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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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
Data type
Null status
Default value

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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
When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.

True
False

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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?

Data constraints
Null status
Default value
Data type

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