----设置字符集步聚------- conn /as sysdba; shutdown immediate; startup mount; alter system enable restricted session; alter system set job_queue_processes=0; alter database open; alter database character set internal_use ZHS16CGB231280;（默认值：ZHS16GBK） shutdown immediate; startup; -------end-----------------
原文：http://www.cnblogs.com/no27/p/4643248.html