Why Should You Backup Your Database Before Running an Action

question 28

Multiple Choice

Why should you backup your database before running an action query?

• A)Action queries are irreversible.
• B)Action queries are reversible.
• C)Action queries are temporary.
• D)Action queries add extra tables to the database.

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Definitions:

Alternative Hypothesis

A statistical hypothesis that suggests a difference or effect, opposite to the null hypothesis.

Central Limit Theorem

A statistical principle stating that with a large enough sample size, the distribution of the sample means will be approximately normally distributed, regardless of the population's distribution.

Sample Size

The number of observations or data points selected from a population for statistical analysis.

Central Limit Theorem

A statistical theory that states the distribution of sample means approximates a normal distribution as the sample size becomes large, regardless of the population's distribution.