sys用户查询ww用户创建的表(已经commited)
select * from ww.wwTable;
普通用户lisi查询ww用户的表
grant select on wwTable to lisi;
select * from ww.wwTable;
对象授权操作
grant insert on wwTable to lisi; grant all on wwTable to lisi;
撤销授权操作
revoke all on wwTable from wwTable;
select * from ww.wwTable;