hello i am using jdeveloper 12c and MYSQL database i have imported excel sheet to my database and it is fine the database is arabic language and i can see it in adf form ...but when i tried to insert arabic data it inserted in "???" characters and i am sure my database collation is utf-8_general_ci and columns also and in my jsf page i have that <?xml version='1.0' encoding='UTF-8'?> ...so can anyone help me to insert data in the right arabic format