Abstract:

With the development and improvement of internet technology,the advantage of the new network infrastructures are continually applied into database computing on the aspect of data storage,access and application.Multi-tier infrastructure has migrated the applications and transactions,which was running at client previously to the middleware,and shared to users through the network.Infrastructure like this has overcome the disadvantage on the software development,application maintenance and client side configuration in the traditional Client-Server infrastructures.By introducing the advantage of multi-tier infrastructure,the data management subsystem of Chinese Polar Scientific Database,which through the middleware database applications,providing a high efficiency method for database administration and a convenient way for data submission,collection coordination,data import and publication.