Oracle DB LINKS Metadata Info ....
set linesize 300
SET LONG 9000
SELECT DBMS_METADATA.GET_DDL('DB_LINK',a.db_link,a.owner) FROM dba_db_links a;
IDENTIFIED BY VALUES is not possible in dblink from Version 11.2.0.4 onward
CREATE DATABASE LINK ANUJ1 CONNECT TO ANUJ123 IDENTIFIED BY VALUES '07B98AF7604AFAF492AC70E41300D9D003064EDDE1C5E96075479AB5A8036AF0A2AA16183623A084811F6F18EB2245A43DE9DCE1E4B736924F7434DC98A84699DE9B6787A0EE65BDCC8EEA47755648C2ADF55478060A2F4A1B33A716A97747900DABACFAC1674D73CBD1A2D9D2EED0679ABEC40D0B589AE572BAB73D6611559D' using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.000.00.00)(PORT = 1521))) (CONNECT_DATA =(SERVICE_NAME = orcl )))'
*
ERROR at line 1:
ORA-02153: invalid VALUES password string
CREATE DATABASE LINK ANUJ2 CONNECT TO ANUJ123 IDENTIFIED BY vihaan123 using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.000.00.00)(PORT = 1521))) (CONNECT_DATA =(SERVICE_NAME = orcl )))'
Database link created.
CREATE DATABASE LINK "CDB02" CONNECT TO C##PDBCLONEDBA IDENTIFIED BY "XXXXXXX"
USING '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.0.0)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = CDBAUX02)))';
Session altered.
SQL> select * from dual@CDBAUX02;
D
--
x
set long 1000000 linesize 1000 pagesize 0 feedback off trimspool on verify off serveroutput on
select dbms_metadata.get_ddl('DB_LINK','ANUJ2') from dual;
CREATE DATABASE LINK "ANUJ2"
CONNECT TO "ANUJ123" IDENTIFIED BY VALUES ':1'
USING '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.00
0.00.00)(PORT = 1521))) (CONNECT_DATA =(SERVICE_NAME = orcl )))'
Now you will get ':1' not password value
=============
set pagesize 300
col tname for a30
select * from tab@dblink ;
CREATE DATABASE LINK dblink CONNECT TO anuj IDENTIFIED BY vihaan123 USING '(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=irac-scan)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=irac)))';
insert into sys.link$ (OWNER#, NAME, CTIME, HOST, USERID, PASSWORD, FLAG, AUTHUSR, AUTHPWD, PASSWORDX, AUTHPWDX)
select OWNER#, 'DBLINK1', CTIME, HOST, USERID, PASSWORD, FLAG, AUTHUSR, AUTHPWD, PASSWORDX, AUTHPWDX
from sys.link$ where name=upper('dblink');
insert new row !!!
insert into sys.link$ (OWNER#, NAME, CTIME, HOST, USERID, PASSWORD, FLAG, AUTHUSR, AUTHPWD, PASSWORDX, AUTHPWDX)
select OWNER#, 'DBLINK1', CTIME, HOST, USERID, PASSWORD, FLAG, AUTHUSR, AUTHPWD, PASSWORDX, AUTHPWDX
from sys.link$ where name=upper('dblink');
1 row created.
SQL> commit;
Commit complete.
SQL> alter system flush shared_pool;
System altered.
set pagesize 300
col tname for a30
select * from tab@dblink1 ;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
ANUJ1 TABLE
ANUJ_BIG_TABLE TABLE
BIN$54ZgrWd1M/zgUyL1akAE8A==$0 TABLE
BIN$66UJVfKoHNjgUyL1akBIsA==$0 TABLE
BIN$ZaQvn3FuYKPgUyL1akA0wg==$0 TABLE
BIN$ZjFB7+oJfnbgUyL1akDZsg==$0 TABLE
BV_DEMO TABLE
DEPT TABLE
EMP TABLE
SPM_TEST_TAB TABLE
T TABLE
TEST TABLE
TEST9 TABLE
TEST_LOB TABLE
TT TABLE
T_INTERIM TABLE
16 rows selected.
