Construction Of The Large Database System For Communication Enterprises

Enterprise information system plays an important role in the enterprise daily management and production management, and database is the centre of the information system. We can estimate the value of the information system by study the enterprise database structure seriously, according to the network planning and business scope influenced of database system.This paper creates the totally new database system and designs host and database construction based on the user requirement, according to the characteristics, business and data requirements of an abroad communication enterprise.Based on user requirement, this project does the detail analysis to meet the requirement from every aspect and deploys the database backup and restore policy which to make sure the data safty. This project sets the strict network division and the user access control to meet the safety requirements, deploys RAID on the host and disk array to ensure the security of system data and business data, sets up double machine mutual for security operating system security and guarantee high availability of system and7*24hours service. Project also sets strict user access control policy that every user have distinguish different control range to facilitate enterprise management service, sets each database necessary parameters to make easy for user do daily operation and maintenance, and also can satisfy the data security policy, improve enterprise daily operation efficiency. User can backup and recover all of the data in database which user want, and run database automatic dispatching backup and recovery policy to instead of manual operation to realize automation manage and to satisfy the business enterprise data security strategy and then improve work efficiency and performance of enterprises.