Once a Column Has Been Set as UNUSED,which of the Following

question 59

Multiple Choice

Once a column has been set as UNUSED,which of the following is correct?​

• A) ​It is unavailable and will not be displayed in the table structure.
• B) ​It will still appear in the results of subqueries until it is dropped.
• C) ​It is unavailable,but will still be displayed in the table structure.
• D) ​All DDL operations can be performed on it until it is actually dropped.

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Definitions:

Life Span

The maximum or typical length of time an organism is expected to live, from birth till death.

Intelligence

The ability to learn from experience, solve problems, and use knowledge to adapt to new situations. It encompasses a range of aptitudes, skills, and talents.

Heritability

The proportion of variation among individuals in a group that we can attribute to genes. The heritability of a trait may vary, depending on the range of populations and environments studied.

Genetically Similar

Refers to organisms or cells having nearly identical genetic material.