DATABASE SYSTEM CONCEPTS (LOOSELEAF)
DATABASE SYSTEM CONCEPTS (LOOSELEAF)
7th Edition
ISBN: 9781260515046
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 18, Problem 36E

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Locking protocol

  • Assume that there are two transactions T1 and T2 and two data items A and B.
  • Assume that B is high numbered than A.
  • Consider the following schedule:

    l1(A); w1(A); u1(A); l2(A); r2(A); l2(B); w2(B...

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