MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The __________ requires that each transaction Ti executes in two or three different phases in its lifetime, depending on whether it is a read-only or an update transaction. |
| A. | Validation protocol |
| B. | Validation-based protocol |
| C. | Timestamp protocol |
| D. | Timestamp-ordering protocol |
| Answer» B. Validation-based protocol | |
| 2. |
The _____________ ensures that any conflicting read and write operations are executed in timestamp order. |
| A. | Timestamp-ordering protocol |
| B. | Timestamp protocol |
| C. | W-timestamp |
| D. | R-timestamp |
| Answer» B. Timestamp protocol | |