The Update Anomaly in Non-Normalized Database Tables

question 32

Multiple Choice

The update anomaly in non-normalized database tables

• A)occurs because of data redundancy.
• B)restricts addition of new fields or attributes.
• C)results in records that cannot be updated.
• D)is usually easily detected by users.

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Definitions:

U.S. Dollars

The official currency of the United States, used as a standard monetary unit.

Foreign Exchange Rate

The worth of one currency in relation to another for conversion purposes, establishing the rate at which one currency can be exchanged for another.

Currency Transaction

A financial transaction that involves the exchange of one currency for another, either at a bank, exchange bureau, or as part of a larger financial transaction.

Historical Exchange Rate

The rate at which one currency was exchanged for another in the past, used for comparison or accounting purposes.