MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Rdbms knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A search key containing more than one attribute is called a _________ search key |
| A. | tMultiple |
| B. | tMultilevel |
| C. | tComposite |
| D. | tPrimary |
| Answer» C. tComposite | |
| 2. |
Indices with two or more levels are called as? |
| A. | tMultiple Indices |
| B. | tMultilevel indices |
| C. | tBi- tri- Indices |
| D. | tNone of the mentioned |
| Answer» C. tBi- tri- Indices | |
| 3. |
If an index entry appears for only some of the search key values in the file, it is called as ________ |
| A. | tDense key |
| B. | tDense index |
| C. | tSparse key |
| D. | tSparse index |
| Answer» E. | |
| 4. |
If an index entry appears for every search key value in the file, it is called as ________ |
| A. | tDense key |
| B. | tDense index |
| C. | tSparse key |
| D. | tSparse index |
| Answer» C. tSparse key | |
| 5. |
The types of access that are supported efficiently are called as ________ |
| A. | tAccess modes |
| B. | tAccess types |
| C. | tAccess time |
| D. | tAccess overhead |
| Answer» C. tAccess time | |