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KPGCET-CSE-2019-60

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The conflict serializability can be determined by ______ of the graph containing READs and WRITEs of transactions of a schedule as vertices and READ-WRITE, WRITE-READ and ______ in the time order as edges
  1. acyclicity, READ-READ
  2. cyclicity, READ-WRITE
  3. cyclicity, WRITE-READ
  4. acyclicity, WRITE-WRITE
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