temp.txt

orale培训教材包括了所有的sql说明和实例

 grant create session to public;

 create user user1 identified by user1;

 select * from dba_role_privs;

 select * from role_SYS_privs where role='PUBLIC';

select table_name from dict where table_name like '%priv%';

create user user2
identified by user2;