Chapter 20. A Database LibrarySection 20.1. IntroductionSection 20.2. HistorySection 20.3. The LibrarySection 20.4. Implementation OverviewSection 20.5. Centralized or Decentralized?Section 20.6. ConcurrencySection 20.7. Building the LibrarySection 20.8. Source CodeSection 20.9. PerformanceSection 20.10. SummaryExercises