Concurrency Control in Database Systems

  • Dardina Tasmere Senior Lecturer, Department of Computer Science and Engineering, Bangladesh Army University of Engineering & Technology, Natore, Bangladesh
  • Md. Nazmus Salehin B.Sc Student, Department of Computer Science and Engineering, Bangladesh Army University of Engineering & Technology, Natore, Bangladesh
Keywords: Concurrency, Control, Database Systems.

Abstract

Concurrency control mechanisms including the wait, time-stamp and rollback mechanisms have been briefly discussed. The concepts of validation in optimistic approach are summarized in a detailed view. Various algorithms have been discussed regarding the degree of concurrency and classes of serializability. Practical questions relating arrival rate of transactions have been presented. Performance evaluation of concurrency control algorithms including degree of concurrency and system behavior have been briefly conceptualized. At last, ideas like multidimensional timestamps, relaxation of two-phase locking, system defined prewrites, flexible transactions and adaptability for increasing concurrency have been summarized.

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Published
2019-07-29
How to Cite
Tasmere, D., & Salehin, M. N. (2019). Concurrency Control in Database Systems. Bangladesh Journal of Multidisciplinary Scientific Research, 1(2), 26-40. https://doi.org/10.46281/bjmsr.v1i2.365
Section
Research Paper/Theoretical Paper/Review Paper/Short Communication Paper