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Data Models into Database Designs

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

file.
table.
tuple.
attribute.

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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?

Data type
Null status
Data constraints
Default value

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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 be immediately filled with a monetary value of $10,000?

Default value
Data type
Data constraints
Null status

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Data Models into Database Designs
A primary key should be defined as:

None of these
NOT NULL.
NULL.
Either of the above can be used.

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

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

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