A Group of Columns That Identify a Unique Table Row

question 38

Multiple Choice

A group of columns that identify a unique table row is a ________.

• A)column
• B)record
• C)field
• D)key

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Cross-Sectional Study

A type of observational study that analyzes data from a population at a specific point in time.

Ethical Issues

Controversial questions or dilemmas that arise in the context of professional conduct, often related to morality, ethics, legality, and human rights.

Research Participants

Individuals who take part in a research study, providing data through their responses or behaviors for the purpose of scientific investigation.