It Is Possible for Local DBMSs to Commit Updates at Some

question 44

Multiple Choice

It is possible for local DBMSs to commit updates at some sites and undo updates at other sites. How can this inconsistency be prevented?

• A) using a two-step rollback
• B) using a two-phase commit
• C) using a two-phase rollback
• D) using a two-phase transaction

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Definitions:

Mnemonics

Memory aids, often in the form of patterns of letters, ideas, or associations, that help in remembering information.

True Experiment

An experimental design with a control group and an experimental group, where the researcher manipulates the independent variable to observe its effect on the dependent variable.

Research Question

A specific question that a study aims to answer, providing focus and direction for the research.

Materialism

The belief or attitude that physical possessions and their acquisition are more important than spiritual or emotional values.