MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the difference between a join and an outer join operation? |
| A. | There is no difference |
| B. | Join preserves a few tuples that are otherwise lost in the outer join |
| C. | Outer join preserves a few tuples that are otherwise lost in the join |
| D. | An outer join can be used only on outer queries whereas a join operation can be used in Subqueries |
| Answer» D. An outer join can be used only on outer queries whereas a join operation can be used in Subqueries | |