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Data Models into Database Designs

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
Which of the following column properties would be used to specify that cells in a column must contain a monetary value?

Default value
Data type
Data constraints
Null status

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

Three
Six
Four
Two

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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
An ideal primary key is short, numeric and seldom changing.

False
True

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Data Models into Database Designs
Which of the following columns is(are) are required in a table?

A surrogate key
An alternate key
A foreign key
A primary key

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