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Data Models into Database Designs

Data Models into Database Designs
The identifier of an entity will become the ________ of the new table.

foreign key
identity key
main attribute
primary key

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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?

Null status
Data constraints
Default value
Data type

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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 that is less than another monetary value in the same row?

Default value
Null status
Data constraints
Data type

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

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

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

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

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Data Models into Database Designs
When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.

True
False

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