数据的一致性与并发访问控制

The Data’s Consistency and Control of Calling on of Concurrence

数据的一致性是数据库应用程序生存的前提。如何控制在多用户时出现的并发访问 ?也就是将这些并发事务隔离在互不干扰的环境中 。

The data’s consistency is the precondition of a database application program existing.And how to control the concurrence interview of multiuser,namely,to isolate these concurrence affair in the noninterference environment with each other, and to guarantee the biggest concurrence degree,is a important question for iscussion。