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  • Flash XML slideshow
  • Database training

4.1.33. Concurrency control

  • Must avoid 3+ problems
    • Lost update, dirty read, incorrect summary
    • Deadlock/livelock - dining example
  • Data item granularity
  • Solutions
    • Protocols, validation
    • Locking
    • Timestamps
‹ 4.1.32. Query processingup4.1.34. Definition of terms ›
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