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book Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe cover

Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe

النسخة 6الرقم المعياري الدولي: 0136086209
book Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe cover

Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe

النسخة 6الرقم المعياري الدولي: 0136086209
تمرين 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? 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?
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EMPLOYEE would appear to users within cl...

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Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
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