Framework Design and Validation Concurrency Control Protocol of Large Real-Time Active Database System
大型实时数据库系统设计及并发控制调度

The function and the application environment of great Real-Time Database System(RTDS) are analyzed in large enterprises.According to the technology of real-time database,a design method of large real-Time database in petrochemical enterprises is presented.This paper studies the model of transaction execution and presents Real-time Validation Concurrency Control(RTVCC)protocol for RTDS.The protocol uses dynamic adjustment of serialization to avoid the unnecessary transactions restarts,and the protocol can effectively reduce missing rate.