Contents of the BOOKS Table

question 14

Multiple Choice

Contents of the BOOKS table

-Based upon the contents of the BOOKS table,which of the following SQL statements will display five rows in its results?​

• A) ​SELECT UNIQUE pubid,title FROM books;
• B) ​both b and c
• C) ​SELECT DISTINCT pubid FROM books;
• D) ​SELECT DISTINCT category FROM books;

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Definitions:

Inverted-U Theory

A hypothesis suggesting the relationship between a certain factor and its effect follows an inverted U-shape, indicating optimal levels at the midpoint of the factor's intensity.

Industry Concentration

The extent to which a small number of firms dominate the total output, sales, or employment of an industry.

R&D Expenditures

Funds allocated towards research and development activities in order to innovate or improve products, processes, or services.

Diffusion

The process by which an innovation is communicated through certain channels over time among the members of a social system.