5-Oracle命令

1-show user;

SQL> sho user
USER is "SYS"
SQL> conn / as sysoper
Connected.
SQL> sho user
USER is "PUBLIC"
SQL> conn scott/tiger as sysdba
Connected.
SQL> sho user
USER is "SYS"
SQL> conn test/test as sysoper
Connected.
SQL> sho user
USER is "PUBLIC"
SQL>