dministrators caring for them,
making certain that applications run quickly, granting and denying
access to users, and making backups.</p>
        <p>However, centralized administration can be a disadvantage in some cases.
In particular, if a programmer wants to build an application that uses
a database for storage of important information, then shipping and
supporting the application is much harder. The end user needs to install
and administer a separate database server, and the programmer must
support not