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Data Models into Database Designs

Data Models into Database Designs
Surrogate keys have much meaning for users.

True
False

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

False
True

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Data Models into Database Designs
The DBMS allows surrogate keys to be changed.

True
False

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

tuple.
table.
file.
attribute.

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

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

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

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