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Data Models into Database Designs

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

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

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Data Models into Database Designs
For every relationship, how many possible sets of minimum cardinalities are there?

Two
Six
Four
Three

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Data Models into Database Designs
Which of the following column properties specifies whether or not cells in a column must contain a data value?

Null status
Data type
Data constraints
Default value

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

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

Null status
Data type
Default value
Data constraints

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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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