Oracle code modification SQL> shutdown immediate; Database closed. www.2cto.com Database dismounted. ORACLE instance shut down. SQL> startup mount; ORACLE instance started. total System Global Area 849530880 bytes Fixed Size 1339824 bytes Variable Size 499125840 bytes Database Buffers 343932928 bytes Redo Buffers 5132288 bytes Database mounted. SQL> alter system enable restricted session; System altered. SQL> alter system set job_queue_processes = 0; System altered. SQL> alter system set aq_tm_processes = 0; System altered. SQL> alter database open; Database altered. SQL> alter database character set internal_use UTF8; Database altered. SQL> shutdown immediate; Database closed. database dismounted. ORACLE instance shut down. select userenv ('language') from dual --- view encoding oraacle clinet encoding settings open registry HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE \ key_1_lient10g_home1 change NLS_LANG to select userenv ('language ') from dual query value