COGNITIVE ASSESSMENT Which of the Following Is Not a Way

question 107

Multiple Choice

COGNITIVE ASSESSMENT Which of the following is not a way that a DBMS deals with deleting records from a database?

• A) remove the record from the file immediately
• B) records cannot be deleted from a DBMS
• C) flags the record so that the DBMS will not process it again
• D) running a utility to remove records that have been marked as deleted

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Definitions:

Multinomial Experiment

An experiment that can lead to outcomes categorized into more than two categories, each with a specific probability.

Chi-Squared Test Statistic

A statistical measure used to evaluate the differences between observed and expected frequencies in one or more categories.

Observed Frequencies

The actual number of occurrences of each possible outcome of a variable recorded in a dataset, often used in the context of chi-square tests and frequency distributions.

Expected Frequencies

The anticipated count of occurrences across different categories in a probability distribution based on a theoretical model.