Administrative accounts (
SYSTEM are described in "About Database Administrator Security and Privileges".
SYSMAN is used to perform Oracle Enterprise Manager administration tasks. The management agent of Enterprise Manager uses the
DBSNMP account to monitor and manage the database. You must not delete these accounts.
Sample schema accounts
These accounts are used for examples in Oracle Database documentation and instructional materials. Examples are
OE. You must unlock these accounts and reset their passwords before using them.
These accounts are created so that individual Oracle Database features or components can have their own schemas. You must not delete internal accounts, and you must not attempt to log in with them.
See Also:Oracle Database 2 Day + Security Guide for a table of predefined accounts.