create user test identified by root;

grant create session,resource to root;

alter user test account unlock;

grant create view to test;

grant any sequece to test;

grant create synonym to ich;--創建別名的權限

drop user test cascade;

連接時用戶民不區分大寫和小寫

alter system set sec_case_sensitive_logon=false scope=both;

commit;

改動用戶password

alter user system identified by system;?
    

      在用戶1中建立的sequece test_seq假設想在用戶2中使用(select test_seq.nextval from dual)必須如今用戶2中運行select test_seq.nextval from dual;

oracle一個創建用戶、創建表空間、授權、建表的完整過程

1. 用sys登錄sql plus:



    usename: sys as sysdba



    password: ****



2. 查看最大連接數： select value from V$parameter where name="processes";



3. 查看當前連接數： select count (*) from V$process;



4. 把最大連接數改成300：alter system set processes=300 scope=spfile



5. 重新啟動DB: shutdown immediate;



                 startup;