Which of the Following Relational Operations Extracts Entire Rows from a Relation

question 16

Multiple Choice

Which of the following relational operations extracts entire rows from a relation?

• A) SELECT
• B) PROJECT
• C) JOIN

---

Definitions:

Bystander Intervention

The act of stepping in to help when someone sees another person in a harmful situation, influenced by various psychological factors.

Emergency Squad

A specialized team or group of services that respond to and manage emergencies.

Bystander Effect

One reason people fail to help strangers in distress: The larger the group a person is in, the less likely he is to help, partly because no one in the group thinks it is up to him to act.

Commotion

Commotion refers to a state of noisy confusion or disorder.