Which of the Following Is a Database Object That Physically

question 41

Multiple Choice

Which of the following is a database object that physically stores all columns that are needed to query a single table?

• A)foreign key table
• B)primary key table
• C)covering index
• D)composite index

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Definitions:

Control Group

A collection of individuals in a study who do not undergo the experimental intervention, serving as a comparison point to evaluate the performance of participants who do.

Independent Variable

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

Control Group

In experimental research, a group of subjects not exposed to the treatment or intervention being tested, used as a baseline to compare the effects of the treatment on the experimental group.

Anonymous Questionnaire

A survey or form designed to gather information anonymously, ensuring the privacy and confidentiality of respondents.