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Data Models into Database Designs

Data Models into Database Designs
An intersection table is required to represent M:N relationships.

False
True

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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.

True
False

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

primary key
identity key
main attribute
foreign key

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Data Models into Database Designs
Which of the following situation requires the use of ID-dependent entities?

Archetype/instance relationships only
Association relationships only
All of these
Multivalued attributes only

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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 constraints
Null status
Default value
Data type

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Data Models into Database Designs
In a 1:1 relationship, the foreign key is placed in:

the child table.
the parent table.
either the parent table or the child table.
either table without specifying parent and child tables.

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