MCQOPTIONS
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MCQOPTIONS
| 1. |
What does the following relational operation perform? x(A1,A2,A3 ) (E) |
| A. | tIt returns the result of expression E with the previous attribute names |
| B. | tIt returns the result of expression E renaming the attributes as A1, A2, |
| C. | tIt returns the result of the relation E but saves the old attributes |
| D. | tNone of the mentioned |
| Answer» C. tIt returns the result of the relation E but saves the old attributes | |