is your NLS_DATE_FORMAT set to YYYY-MM-DD or YYYY-DD-MM (I can't figure out since 12-10 and 10-12 are both valid dates) ? if not, then you have a problem that needs to be fixed. On Thu, Mar 29, 2012 at 11:25 AM, jose soares <jose.soares@xxxxxxxxxxxxxx>wrote: > 'UPDATE unita_aziendale SET ts_ultima_modifica=CURRENT_TIMESTAMP, > data_inizio=:data_inizio WHERE unita_aziendale.id = :unita_aziendale_id' > {'data_inizio': u'1996-12-10', 'unita_aziendale_id': 319} > > -- //www.freelists.org/webpage/oracle-l