Hi Thanks for your help, we found the error source. When we installed Oracle client we don't have the C++ Lib.
Now I have, one another problem with sql syntaxe. I try to translate my perl script from Mysql to Oracle, but when I excute this script I have this kind of error [Fri Mar 5 17:11:19 2004] Telagene_oracle_test.pl: DBD::Oracle::db do failed: ORA-00911: invalid character (DBD ERROR: error possibly near <*> indicator at char 12 in 'INSERT INTO <*>`BIOEXP`.`genbank_telagene2` (ac_number,proteine_name,locus_id) VALUES ('AB017100','143T_HUMAN','')') [for Statement "INSERT INTO `BIOEXP`.`genbank_telagene2` (ac_number,proteine_name,locus_id) VALUES ('AB017100','143T_HUMAN','')"] at Telagene_oracle_test.pl line 370, <FIC1> chunk 6. I think that my insert syntaxe is not correct , could you help me please Sébastien Sébastien VACHENC Bioinformaticien ITAS Information Technologique Affaires Scientifiques FOURNIER PHARMA Laboratoires Fournier S.A. 50, rue de Dijon - 21121 Daix - FRANCE 03.80.44.75.00 [EMAIL PROTECTED]