Q:

When transaction Ti requests a data item currently held by Tj

mhmadesk
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2022-07-19
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When transaction Ti requests a data item currently held by Tj , Ti is allowed to wait only if it has a timestamp larger than that of Tj (that is, Ti is younger than Tj ). Otherwise, Tj is rolled back (Tj is wounded by Ti ). This is

  1. Wait-die
  2. Wait-wound
  3. Wound-wait
  4. Wait
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mhmadesk
2022-07-19
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 (c).Wound-wait

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