Beginning Oracle Database 11g Administration From Novice to Professional

CHAPTER 14 DATABASE MAINTENANCE 329
trator.
is the preferred tool for numerous reasons. Recovery testing is vital to
validate the backup procedures.
the number of rows in each table—in order to generate efficient query plans; this
information is collected using the collection of procedures in the package.
Beginning with Oracle Database 10g, statistical information about the data is
collected automatically by a scheduled nightly job; you are free to disable this job
in favor of a custom approach.
it from the database.
amounts of data have been purged.
and managed using the utility.
they are compromised, password complexity should be enforced, and accounts
should be removed when the owners are relieved of their responsibilities or leave
the company.
and can be used to set up a
simple system for management of disk capacity.
, ,
can be used to produce graphs of system capacity.
Exercises
command.
base.
Which maintenance jobs run during these windows?
table to a dedicated tablespace.