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Data Models into Database Designs

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

True
False

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Data Models into Database Designs
In 1:N relationships, which entity becomes the parent entity is arbitrary.

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
Intersection tables are ID-dependent on both their parent tables.

True
False

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Data Models into Database Designs
In a 1:1 relationship, the primary key placement is arbitrary.

True
False

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

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

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