--解锁账户
sqlplus / as sysdbaalter user sys account unlock;alter user sys identified by 123;conn sys/123 as sysdba
--数据库中有那些表（注意：表要大写）
select * from dba_tablesselect * from dba_tables where table_name='FIRST';
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--解锁账户
sqlplus / as sysdbaalter user sys account unlock;alter user sys identified by 123;conn sys/123 as sysdba
--数据库中有那些表（注意：表要大写）
select * from dba_tablesselect * from dba_tables where table_name='FIRST';
转载于:https://blog.51cto.com/fuwenchao/1361361