National origin applies exclusively to individuals who came from, or whose forebears came from, a particular country

Which one of the following types of risk cannot be effectively eliminated through portfolio diversification?

A) inflation risk B) labor problems C) materials shortages D) product recalls

A functional dependency in which one or more nonkey attributes are functionally dependent on part, but not all, of the primary key is called a ________ dependency

A) partial key-based B) partial functional C) cross key D) merged relation