Orcale权限、角色查看创建方法

select * from user_sys_privs;

create user lisi identified by 123456 //创建用户
grant create session to lisi //授予拥有会话的权限
grant create table to lisi //授予创建表的权限
grant create unlimited tablespace to lisi //授予无空间限制的权限
revoke create session from lisi //撤销权限
revoke create table from lisi
revoke create unlimited tablespace from lisi

select * from user_tab_privs;

grant select on tab to wangwu //对表tab的查询条件授予给wangwu用户
grant all on tab to wangwu //对表tab的所有操作授予给wangwu用户
revoke select on tab from wangwu
revoke all on tab from wangwu

grant ceate any table to lisi with admin option; //李四用户可以将此权限传递给其它用户

grant select on tabA to lisi with grant option;

create(drop) role myrole
grant create session to myrole
grant create table to myrole
grant myrole to lisi