Question: A derived attribute is an attribute whose value is calculated ( derived ) from other attributes. What is not an advantage of storing derived attributes

A derived attribute is an attribute whose value is calculated (derived) from other attributes. What is not an advantage of storing derived attributes in the database?
a. Data value is readily available
b. Saves data access time
c. Uses CPU processing cycles
d. Can keep track of historical data
A derived attribute is an attribute whose value is calculated (derived)

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