第37次：2015-08-11星期二

botang

select  * from v$dispatcher ;

select  * from v$circuit;

select  * from v$session where saddr='00000001EE876118';

grant create database link to hr;

create database link dblink1  
connect to system identified by oracle_4U
using 'orcl199';


update  t05206@dblink1  set a=1;
commit;


select  * from  t05206@dblink1;

create public database link dblink1  
connect to system identified by oracle_4U
using 'orcl199';


上完1Z0-052第6章        （52-23）