Which of the Following Relational Algebra Commands or Combination of Commands

question 3

Multiple Choice

Which of the following relational algebra commands or combination of commands is capable of retrieving a single cell value from the integrated result of two relations?

• A) Select.
• B) Project.
• C) Join.
• D) Select and Project.
• E) Select, Project, and Join.

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Definitions:

Firm-Specific Human Capital

Skills, knowledge, and abilities that an employee acquires through training and experience that are valuable to a specific firm.

Tacit Knowledge

Knowledge that is difficult to transfer to another person by means of writing it down or verbalizing it, often gained through personal experience.

Civilian Conservation Corps

A public work relief program in the United States during the Great Depression that provided unskilled manual labor jobs related to the conservation and development of natural resources.