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Q. |
When transaction Ti requests a data item currently held by Tj, Ti is allowed to wait only if it has a timestamp smaller than that of Tj (that is, Ti is older than Tj). Otherwise, Ti is rolled back (dies). This is |
A. | wait-die |
B. | wait-wound |
C. | wound-wait |
D. | wait |
Answer» A. wait-die |
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