创建用户
Oracle 创建普通用户，并赋予权限 采用sys or system / manager as sysdba; 连接数据库。 创建普通用户konglin:
create user konglin identified by pwd_oracle;
删除用户:
drop user konglin;
授予用户登录数据库的权限：
grant create session to konglin;
授予用户操作表空间的权限：
grant unlimited tablespace to konglin;
grant create tablespace to konglin;
grant alter tablespace to konglin;
grant drop tablespace to konglin;
grant manage tablespace to konglin;
授予用户操作表的权限：
grant create table to konglin; --(包含有create index权限, alter table, drop table权限)
授予用户操作视图的权限:
grant create view to konglin; --(包含有alter view, drop view权限)
授予用户操作触发器的权限：
grant create trigger to konglin; --(包含有alter trigger, drop trigger权限)
授予用户操作存储过程的权限：
grant create procedure to konglin;--(包含有alter procedure, drop procedure 和function 以及 package权限)
授予用户操作序列的权限：
grant create sequence to konglin; --(包含有创建、修改、删除以及选择序列)
授予用户回退段权限：
grant create rollback segment to konglin;
grant alter rollback segment to konglin;
grant drop rollback segment to konglin;
授予用户同义词权限：
grant create synonym to konglin;--(包含drop synonym权限)
grant create public synonym to konglin;
grant drop public synonym to konglin;
授予用户关于用户的权限：
grant create user to konglin;
grant alter user to konglin;
grant become user to konglin;
grant drop user to konglin;
授予用户关于角色的权限：
grant create role to konglin;
授予用户操作概要文件的权限
grant create profile to konglin;
grant alter profile to konglin;
grant drop profile to konglin;
允许从sys用户所拥有的数据字典表中进行选择
grant select any dictionary to konglin;