Hi Albert, Did u get the answer for this problem? I am connecting to a mysql database through RJDBC and i am facing the same problem? Regards, Raji -- View this message in context: http://r.789695.n4.nabble.com/Null-values-from-DBI-connection-tp2954845p3320611.html Sent from the R help mailing list archive at Nabble.com.