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Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
Edition 6ISBN: 0136086209Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
Edition 6ISBN: 0136086209 Exercise 1
Figure 25.2-Consider the relation shown in Figure 25.2 (d). How would it appear to a user with classification U? Suppose a classification U user tries to update the salary of "Smith" to $50,000; what would be the result of this action?
Explanation
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EMPLOYEE would appear to users within cl...
Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
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