Month: June 2017

lock sys

In the old days, locking sys had not much effect. SQL> alter user sys identified by *** account lock; User altered. SQL> select account_status from dba_users where username=’SYS’; ACCOUNT_STATUS ——————————– LOCKED SQL> conn / as sysdba Connected. SQL> conn sys/** as sysdba Connected. SQL> conn sys/***@db01 as sysdba Connected. Well, in the very-old days, Oracle7, […]