For an SQL Implementation to Truly Support the Union Operation,it

question 43

Multiple Choice

For an SQL implementation to truly support the union operation,it must remove ____ rows automatically.​

• A)dependent
• B)​no
• C)independent
• D)​duplicate

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Definitions:

Sources

Origins or points of derivation, often referenced in research to identify where information, data, or ideas were obtained.

Optimal Solution

The best possible outcome or decision, often in the context of mathematical models or allocation problems.

Origins

The starting point, source, or initial stage of something; often refers to the beginning or cause of a particular phenomenon or object.

Destinations

Destinations refer to the end points or locations where goods, services, information, or people are aimed to reach.