On Distributed Database Query Optimization
Yanfei Wang · Computer Knowledge and Technology · 2007
The distributional database system is the computer network technology and the data bank technology seeps and the organic synthesis product mutually.Has control which the data independence,the centralism and the self-restraint unify machine-made,suitable increase data excess in,business management characteristics and so on distributivity.Had the distribution transparency,user's inquiry procedure has written has been dissimilar on the like data distribution,causes the system to use is simpler,is effective.But as a result of the data distribution and excess in,caused distributional database system inquiry processing to increase many new contents and the complexity,therefore the distributional inquiry processing optimization appeared importantly.