Did you check the TNSNAMES.ORA file on the database server where the SRHCXN1 schema resides? That is where Oracle looks to resolve the name PRUEBAS.US.ORACLE.COM. Paul Baumgartel CREDIT SUISSE Information Technology DBA & Admin - NY, KIGA 1 11 Madison Avenue New York, NY 10010 USA Phone 212.538.1143 paul.baumgartel@xxxxxxxxxxxxxxxxx www.credit-suisse.com -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of crcbedoy@xxxxxxxxxxxxxxxxx Sent: Monday, September 11, 2006 5:46 PM To: oracle-l@xxxxxxxxxxxxx Subject: SOS - URGENT********DB LINK Could you please help me?? I am tryieng to create a DB link such as: CREATE DATABASE LINK PRUEBAS.US.ORACLE.COM CONNECT TO userid IDENTIFIED BY password USING 'PRUEBAS.US.ORACLE.COM'; And then, when I try to do: insert into SRHCXN1.empleado select * from userid.empleado@PRUEBAS where emp_fecha_ingreso>=to_date('20060901','yyyymmdd') / I get the following error: select * from srhcxn2.empleado@PRUEBAS where emp_fecha_ingreso>=to_date('20060901','yyyymmdd') * ERROR at line 2: ORA-12154: TNS:could not resolve service name I checkl the TNSNAMES.ORA and everything is alright, could anybody please help me??.. I am in a rush:(.. I have the privileges as a DBA, my username is XXX, creating running a script to insert values to the schema SRHCXN1, getting the data from the userid. HELPPP!!!:(:( Isabel Bedoya Gómez Centro de Gestión y Control Tel. 2307500 ext: ============================================================================== Please access the attached hyperlink for an important electronic communications disclaimer: http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html ==============================================================================