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Issue No. 01 - January/February (1999 vol. 11)
ISSN: 1041-4347
pp: 3-16
<p><b>Abstract</b>—Ideas that are used in the design, development, and performance of concurrency control mechanisms have been summarized. The locking, time-stamp, optimistic-based mechanisms are included. The ideas of validation in optimistic approach are presented in some detail. The degree of concurrency and classes of serializability for various algorithms have been presented. Questions that relate arrival rate of transactions with degree of concurrency and performance have been briefly presented. Finally, several useful ideas for increasing concurrency have been summarized. They include flexible transactions, adaptability, prewrites, multidimensional timestamps, and relaxation of two-phase locking.</p>
Degree of concurrency, adaptability, time-stamp, optimistic, classes of serializability, performance, flexible transactions.

B. Bhargava, "Concurrency Control in Database Systems," in IEEE Transactions on Knowledge & Data Engineering, vol. 11, no. , pp. 3-16, 1999.
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