SQL> select * from v$version;

BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Express Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE    11.2.0.2.0      Production
TNS for 64-bit Windows: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production

SQL> select sys_context('USERENV', 'current_user') from dual;

SYS_CONTEXT('USERENV','CURRENT_USER')
-----------------------------------------------------------------
SYSTEM

SQL> select owner, table_name from dba_tables where table_name = 'schema_version';

OWNER                TABLE_NAME
-------------------- ------------------------------
USER1                schema_version

SQL> select * from USER1.schema_version;
select * from USER1.schema_version
                    *
ERROR at line 1:
ORA-00942: table or view does not exist