Suppose That You Need to Update One Value of the Column

question 50

Multiple Choice

Suppose that you need to update one value of the column SalesCost in a relation.The way the relation is constructed,this value actually needs to be changed in three different rows.However,you only change the value in two of the rows.You have just created a(n) ________.

• A)normalization anomaly
• B)insertion anomaly
• C)update anomaly
• D)deletion anomaly

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Definitions:

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