Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 731 |
Consider the relation Emp-Dept with SSn as key
Which of the following is (are) invalid operation(s)?
a) Inserting an employee without name and address
b) Inserting an employee with only SSn
c) Inserting a department with no employee
d) Inserting an employee without SSn
Which of the following is (are) invalid operation(s)?
a) Inserting an employee without name and address
b) Inserting an employee with only SSn
c) Inserting a department with no employee
d) Inserting an employee without SSn
| (a) | |
| (d) | |
| (c) and (d) | |
| (b) and (c)
|
Question 731 Explanation:
Inserting an employee without SSn because SSn is key to the table.
Correct Answer: B
Question 731 Explanation:
Inserting an employee without SSn because SSn is key to the table.
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