oracle dblink

drop public database link CRMDBLINK.ORCL;
create public database link CRMDBLINK.ORCL
connect to CRMUSR identified by bUltY05OJZ
using '(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.220.253)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = crmdb)
)
)';

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