it occurs every time a user attempts to perform any operation within a database

refers to the process of identifying a user.

A Security policy is the statement of the security that the system is expected to enforce

If multiple users are logging into the same database simultaneously, the database does not show any lagging while running the queries and returns the results in the same speed.

As a result of Concurrency, the work is completed ….

There is only one algorithms to make different users work on the same database at the same
time.

DBMS is managed in such a way that the database processes the backup automatically and recovers the data if any data loss happens.

DBMS is managed in such a way that the database processes the backup … and recovers the data if any data loss happens.

Also, … are present in the database to know the operations in DBMS so that it is easy to know
what changes have been made to the database and who have done the changes

Automated methods are in place for DBMS to create and manipulate the data.

Once the initial setup is done, it is difficult to do the data insertion and backup of data.

Nowadays, there are routine data checking and restoring in the database