... Help. and keep the database structure.... Data from the database.Storage and care information ...... To coordinate with the operating system.Security control ...(F) preparation of information ... the recovery provisions. In a database management system, data can be prepared as the secondary database, and when there is a problem with the database system, such as lost data due to disk แฟูม damaged or fire database management system to use this backup data system in the resilience of the system to normal.... Control the use of data in the system simultaneously, it will be in the computer system, multiple users can simultaneously access information. The database management system with this property will be properly controlled if appropriate, such as to edit the information so that other users not to run data, this will have to wait until the fix has been completed. The problem is not related to the crab running incorrect information.
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