Oacle dblink 스 크 립 트 메모

Oacle dblink 스 크 립 트 비망록 만 들 기:

/*  dblink*/
create database link zhjs_app
connect to zhjs_app identified by "zhjsapp123"
using 
'(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.148.188)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = zhjsapp)
    )
)';
/*  */
1、create database link zhjs_app  zhjs_app     dblink   ，      
2、connect to zhjs_app identified by "zhjsapp123"   zhjs_app/zhjsapp123     dblink   ，     using    
3、using 
'(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.148.188)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = zhjsapp)
    )
)';
     dblink    ，        oracle     tnsnames.ora   ，   ${ORACLE_HOME}/ora92/network/admin/tnsnames.ora

/*        */
select 8 from dual@zhjs_app
select * from user_objects where object_type = 'DATABASE LINK'
select * from user_objects where object_type='DATABASE LINK'

/*  dblink*/
drop database link zhjs_app