Purtroppo stesso errore:

[Microsoft][ODBC Microsoft Access Driver] Syntax error (missing operator) in query expression 'MAR = 171 AND (([DATA]='05/09/2005') OR ([DATA]='06/09/2005')) AND (((ORA=>'00.00.00') AND (ORA<'08.00.00')) OR ((ORA=>'18.00.00') AND (ORA<'24.00.00')))'.