Hi John Understanding a bit more now...............
I see when I look at the key to table2 it has the identifier 'SQL170412104645890' as stated in the error message -- View this message in context: http://apache-database.10148.n7.nabble.com/Updating-2-derby-tables-tp147386p147410.html Sent from the Apache Derby Users mailing list archive at Nabble.com.