A Database Management System Needs to Provide Only Three Basic

question 8

True/False

A database management system needs to provide only three basic facilities for backup and recovery of a database: backup facilities, journalizing facilities, and a recovery manager.

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Definitions:

P-Value

A statistical measure indicating the probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is true.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive" in hypothesis testing.

P-Value

The probability of observing a test statistic at least as extreme as the one observed, assuming the null hypothesis is true.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, a measure of the risk of making a Type I error.