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Data Models into Database Designs

Data Models into Database Designs
Each entity is represented as a(n):

attribute.
table.
file.
tuple.

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

True
False

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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
Two
Six
Four

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Data Models into Database Designs
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.

True
False

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

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

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