Which of the Following Events May Cause Data Loss Requiring

question 268

Multiple Choice

Which of the following events may cause data loss requiring a database restore from a backup?

• A) power failure
• B) hard disk crash
• C) accidental deletion of database objects
• D) all of the above

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Definitions:

Significant Correlation

A relationship between variables that is strong enough to not be attributed to chance, according to statistical tests.

Correlation Coefficient

A numerical index that reflects the degree of relationship between two variables ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).

Research Question

A clear, focused, concise, and answerable question that guides a study or research project.

Significantly Correlated

A statistical relationship between two variables where changes in one variable are reliably associated with changes in another variable, often verified through statistical tests.