1.用有dba權限的用戶登錄:sys用戶
2.創建一個新用戶:create user EXCHANGE identified by EXCHANGE;
create user U_FRONT2GPS identified by FRONT2GPS;
3.授予DBA權限: grant connect,resource,dba to EXCHANGE; grant connect,resource,dba to U_FRONT2GPS;
ok,創建好了,就可以用abc這個用戶登錄了,abc用戶擁有dba權限。
--以指定用戶登錄
sqlplus EXCHANGE/EXCHANGE@orcl as sysdba
--修改Oracle賬號密碼
alter user EXCHANGE identified by EXCHANGE;
alter user U_FRONT2GPS identified by FRONT2GPS;
--刪除用戶
drop user EXCHANGE cascade;
--解鎖數據庫
select username,lock_date from dba_users where username='EXCHANGE';
alter user EXCHANGE account unlock;
--查看當前數據庫實例
show parameter instance_name;
--啓動數據庫監聽
lsnrctl start
--新創建的實例啓動方法 (相關的兩個文件tnsnames.ora 和 listener.ora localhost要改成數據庫的連接地址)
1.設置監聽alter system set local_listener='(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=IP地址)(PORT=1521))))' scope=spfile;
2.啓動監聽 lsnrctl start
3.關閉數據庫 shutdown immediate
4.重啓數據 startup