What Will Happen If You Try to Use the INSERT

question 126

Multiple Choice

What will happen if you try to use the INSERT command to insert a NULL value into a column that has been assigned a PRIMARY KEY constraint? ​

• A) ​The command will execute because a PRIMARY KEY value can be NULL.
• B) ​An error message is returned and the row is not added to the table.
• C) ​The command will execute because only a UNIQUE constraint forbids NULL values.
• D) ​An error message is returned but the unaffected portion of the row is added to the table.

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Definitions:

Ethnocentrism

The belief in the superiority of one's own ethnic group or culture, often accompanied by a devaluation of other cultures.

Communication Style

The characteristic way in which an individual or organization expresses ideas and exchanges information with others.

Culture

The arts, beliefs, and customs that are passed down from generation to generation within a society.

Stereotyping

The act of assigning generalized attributes to individuals based on their membership in a particular group, without acknowledging individual differences.