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Data Models into Database Designs

Data Models into Database Designs
When transforming an entity-relationship model into a relational database design, each entity is represented as a table.

False
True

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Data Models into Database Designs
When the parent entity is required, a new parent row can always be inserted.

True
False

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Data Models into Database Designs
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

any alternate key
a surrogate key
the primary key
a foreign key

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

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

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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?

Default value
Data constraints
Data type
Null status

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Data Models into Database Designs
A foreign key is:

used to define data types.
a column containing the primary key of another table.
All of these
used to define null status.

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