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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
For every relationship, how many possible sets of minimum cardinalities are there?

Four
Two
Three
Six

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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.

False
True

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Data Models into Database Designs
The identifier of an entity will become the ________ of the new table.

primary key
foreign key
main attribute
identity key

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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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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
Default value
Null status

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