Access control is one of the fundamental services that any Data Management System should provide. It protects data from unauthorized read and write operations. Access control defines make sure that all communication to the database and other system objects strictly follow the policies. Errors can be as major which can create problems in a firm's operation. Through controlling access rights may also help in reducing the risks that may precisely impact the security of the database on the main servers. For instance, if any table is deleted or access is modified accidently the results can be roll backed or for specific files, but through applying the access control their deletion can restrict.
Access Control system includes :
How access control work.