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Data Models into Database Designs

1.

Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?

Answer: A

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2.

The terms alternate key and candidate key mean the same thing.

Answer: A

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3.

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?

Answer: C

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4.

Cascading updates refers to child rows being automatically deleted when a parent row is deleted.

Answer: B

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5.

All primary keys are required.

Answer: A

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6.

An ideal primary key is short, numeric and seldom changing.

Answer: A

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Answer: A

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8.

Which of the following column properties specifies whether or not cells in a column must contain a data value?

Answer: A

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9.

For every relationship, there are six possible sets of minimum cardinalities.

Answer: B

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10.

Which of the following column properties would be used to specify that cells in a column must contain a monetary value?

Answer: B

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