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
