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Saving Derived Attributes to Avoid Re-computation
Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define new classes and objects and these derived classes must be updated if any of the base objects is changed.
#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
i want help to complete my task
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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
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WHAT IS DSS? WRITE ITS REQUIREMENTS.
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