Database Link

Database Link
--===================================

--==========================
Instance:- 1
--==========================

create table XX_EMP_TEST_TL AS
select * from scott.emp
where deptno = 30


select * from XX_EMP_TEST_TL


--==========================
Instance:- 2
--==========================

select * from XX_EMP_TEST_TL


select * from XX_EMP_TEST_TL@TESTDB

required instance 1 :-
1. user :- APPS
2. Password:- ######
3. TNS details:- ( )

create database link (NAME_OF_DB_LINK:- testdb) connect to (USER_NAME:- apps) identified by (PASSWORD:- welcome123)  using 'TNS_Details'

create database link TESTDB connect to apps identified by welcome123
using '(DESCRIPTION= (ADDRESS = (PROTOCOL=TCP) (HOST=192.168.101.100) (PORT=1576)  )  (CONNECT_DATA=  (SID=DEV) )  )'   
 




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