1、首先假设需要建立的用户名：search。密码：mima,
2、然后执行以下命令建立用户：create user search identified by passwd;
3、再执行命令建立连接：grant connect to search ;
4、赋予用户只读表的权限：grant select any table to search;
5、赋予用户只读存储过程的权限：grant execute any procedure to search;