​If It Is Possible for a Subquery to Return a NULL

question 45

Multiple Choice

​If it is possible for a subquery to return a NULL value to the outer query for comparison,the ____ function should be used to substitute an actual value for the NULL.

• A) ​IS NULL
• B) ​NVL
• C) ​!NVL
• D) ​NVLS

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Definitions:

Globalization

The process by which businesses or other organizations develop international influence or start operating on an international scale, leading to increased interconnectedness and interdependence of the world's markets and businesses.

Transnational Interdependence

The mutual dependency between countries, especially in areas of trade, investment, and business operations across borders.

Multinational Economy

A global economic system characterized by the interaction and integration of national economies through trade, investment, and technology exchange.

Hofstede's Research

A study of how values in the workplace are influenced by culture, which identified six dimensions of national culture affecting organizational behavior.