参考自：
Oracle CreatedDatabase Users: Password, Usage and Files References (文档 ID 160861.1)
https://docs.oracle.com/cd/E11882_01/server.112/e10575/tdpsg_user_accounts.htm#TDPSG20000
Master Note for Oracle XML Database (XDB) Install / Deinstall (文档 ID 1292089.1)
What Is "APPQOSSYS" Schema In 11gR2 And Can it be Dropped? (文档 ID 1347952.1)
Database Pre-Defined User Accounts Required for MWM? (文档 ID 2130093.1)
ANONYMOUS
APEX_030200
APEX_PUBLIC_USER
APPQOSSYS
AURORA$JIS$UTILITY$
AURORA$ORB$UNAUTHENTICATED
BI
CTXSYS
DBSNMP
DIP
DMSYS
DVF
DVSYS
EXFSYS
FLOWS_040100
FLOWS_FILES
HR
IX
LBACSYS
MDDATA
MDSYS
MGMT_VIEW
OAS_PUBLIC
ODM
ODM_MTR
OE
OLAPSYS
ORACLE_OCM
ORDDATA
ORDPLUGINS
ORDSYS
OSE$HTTP$ADMIN
OUTLN
OWBSYS
OWBSYS_AUDIT
PERFSTAT
PM
QS
QS_ADM
QS_CB
QS_CBADM
QS_CS
QS_ES
QS_OS
QS_WS
REPADMIN
RMAN
SCOTT
SH
SI_INFORMTN_SCHEMA
SPATIAL_CSW_ADMIN_USR
SPATIAL_WFS_ADMIN_USR
SYS
SYSMAN
SYSTEM
TRACESVR
TSMSYS
WEBSYS
WKPROXY
WKSYS
WKUSER
WK_TEST
WMSYS
XDB
XS$NULL
