col OWNER for a15
col DB_LINK for a25
col USERNAME for a15
col HOST for a25
set linesize 120
select OWNER,DB_LINK,USERNAME,HOST from dba_db_links where DB_LINK in ('DB_LINK_NAME')
1.Once, the password has been given by client, then use the following statement to recreate the DBLINK,
create database link "DB_LINK_NAME" connect to TARGET_USER IDENTIFIED BY TARGET_PASS using 'TARGET_SID';
2. Verify whether DB Link is working by using the following statement,
select * from dual@DB_LINK_NAME;
3.It should return 1 row. "
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