MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Rdbms knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following operations is used for the union of bitmaps? |
| A. | tLogical AND |
| B. | tLogical OR |
| C. | tLogical NOT |
| D. | tLogical NOR |
| Answer» C. tLogical NOT | |
| 2. |
State true or false: Intersection operations are extremely slow on bitmaps |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 3. |
We delete and index in SQL using the ________ command |
| A. | tRemove index |
| B. | tDelete index |
| C. | tDrop index |
| D. | tNone of the mentioned |
| Answer» D. tNone of the mentioned | |