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XE =Code snippet from
(ADDRESS = (PROTOCOL = TCP)(HOST = Tritonia)(PORT = 1521))
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
SQL*Plus: Release 22.214.171.124.0 Production on Thu Oct 6 01:50:39 2016 Copyright (c) 1982, 2014, Oracle. All rights reserved. SQL> system SP2-0042: unknown command "system" - rest of line ignored. SQL> select * from dual; SP2-0640: Not connected SQL> select * from dual; SP2-0640: Not connected SQL> startup ORA-01031: insufficient privileges SQL>