1. 1. Reduce Storage duplicate data sets in the form of a data file may appear in many places. Because of this, many users information on the database and then allows the left. The overlap of data is reduced.
1.2. To maintain the accuracy of the information because the database contains only a single database. In the event of a data set Appeared in several of the database. These data are consistent with this information, if any of that information Appears to be correct as well automatically by the database management system.
1.3. protection and security to the data challenge easily. Prevention and Treatment
Safety information The database is only available to those involved, which only contributes to the security of the data.