Mathematical-Reasoning
March 27, 2024APPSC-2012-DL CA
March 27, 2024Database-Management-System
| Question 369 |
The number of tuples in the result of a left outer join operation will always be
| greater than the number of tuples in the result of the corresponding join operation.
| |
| at least equal to the number of tuples in the result of the corresponding join operation. | |
| less than the number of tuples in the result of the corresponding join operation.
| |
| greater than the number of tuples in the result of the corresponding right outer join operation.
|
Question 369 Explanation:
The number of tuples in the result of a left outer join operation will always be at least equal to the number of tuples in the result of the corresponding join operation, because if all the tuples of left relation is not included during join operation then the remaining tuples of left relation will also be included in the final output.
Correct Answer: B
Question 369 Explanation:
The number of tuples in the result of a left outer join operation will always be at least equal to the number of tuples in the result of the corresponding join operation, because if all the tuples of left relation is not included during join operation then the remaining tuples of left relation will also be included in the final output.
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