McqMate
| Q. |
Which of the clause is not mandatory? |
| A. | over clause |
| B. | order by clause |
| C. | partition by clause |
| D. | all of the mentioned |
| Answer» C. partition by clause | |
| Explanation: partition by clause is not mandatory and if you don’t specify it all the records of the result-set will be considered as a part of single record group. | |
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