Which of the Following Keywords Cannot Be Used to Modify

question 58

Multiple Choice

Which of the following keywords cannot be used to modify an existing table?​

• A) ​ALTER TABLE...ADD
• B) ​ALTER TABLE...DROP COLUMN
• C) ​ALTER TABLE...MODIFY
• D) ​ALTER TABLE...AS

---

Definitions:

Public Good

A product or service that is non-excludable and non-rivalrous, meaning its consumption by one individual does not reduce its availability to others.

Collective Willingness

The aggregated preference or desire of a group of individuals to support or buy into a particular idea, policy, or product.

Marginal Cost

The boost in complete costs associated with creating one more unit of a product or service.

Private Good

A product that is excludable and rival in consumption, meaning its use is limited to the purchaser and it cannot be shared without diminishing availability to others.