摘要
介绍了采用图形数据库组织与管理数据的方法 ,阐述了基于语义的并发控制机制中事务结构、事务提交、锁机制和冲突协调等关键问题 最后提出了事务管理器的结构模型 。
An approach to manage object data in graphic database is presented. Some key techniques such as nested transaction, transaction submitting, precautionary locking, and conflict resolving are discussed. In addition, the model of optimistic concurrency control and the process flow of transaction are described.
出处
《计算机辅助设计与图形学学报》
EI
CSCD
北大核心
2004年第2期201-205,共5页
Journal of Computer-Aided Design & Computer Graphics