Hi, I have a problem, can you help? When i type: > library(RODBC) > a<-odbcConnect("oracle") > sqlQuery(a,"(select VALFACT>500 from EPISGDHS) UNION (select VALFACT<1000 from EPISGDHS)") Comes the error: [1] "S1000 923 [unixODBC][Easysoft][Oracle]ORA-00923: FROM keyword not found where expected at offset 15" [2] "[RODBC] ERROR: Could not SQLPrepare" Margarida Igreja. using WinNT [[alternative HTML version deleted]]