Focusing on the problems of concurrent control and data availability exists in transaction processing in mobile data access system, this paper proposes a new hierarchical concurrent control algorithm.
针对移动数据访问系统中事务处理的并发控制和数据访问问题，提供了一种分层的并发控制算法。
There are special tools for database applications and developing, which always lower the speed of data access and processing while accessing database with hierarchical interface.
数据库应用与开发都有专门成熟的工具，但是在利用层层接口去访问数据库时却往往影响了数据的访问、处理速度。
There are special tools for database applications and developing, which always lower the speed of data access and processing while accessing database with hierarchical interface.
数据库应用与开发都有专门成熟的工具，但是在利用层层接口去访问数据库时却往往影响了数据的访问、处理速度。
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