--以sys用户,dba身份,登录
create tablespace jzjg_wg datafile 'E:\oradata\JZJJORA\jzjj_wg1.DBF' SIZE 5000M;
create user jzjg_wg identified by jzjg_wg2019 default tablespace jzjg_wg;
grant dba to jzjg_wg;
--tzq用户,narmal登录
--create database link tzq_jicheng connect to rm identified by rm using '10.74.132.85/racdb'
create database link jzjj_wg connect to trff_app identified by 1 using '10.74.132.188/orcl'
--测试是否能够正常连接
select * from user_tables@jzjj_wg
1、加密。