To Maintain Primary Key Integrity, a Relational Database Designer Will

question 87

True/False

To maintain primary key integrity, a relational database designer will not allow a primary key to have a null (empty)value.

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Definitions:

Foreign Exchange Market

The market where one country’s currency is traded for another’s.

Spot Exchange Rate

The exchange rate on a spot trade.

Forward Exchange Rate

The agreed-on exchange rate to be used in a forward trade.

Premium

The amount paid for a contract or policy over and above its nominal value or for a product above its market price due to special features or quality.