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Data Models into Database Designs

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

Two
Three
Four
Six

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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
Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table?

An intrarelation constraint
A range constraint
An interrelation constraint
A domain constraint

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

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

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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
Which of the following situation requires the use of ID-dependent entities?

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

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