SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP RESTRICT;
SQL> ALTER DATABASE CHARACTER SET INTERNAL_USE WE8MSWIN1252;
SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP;
SQL> execute sys.dbms_metadata_util.load_stylesheets;
SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP RESTRICT;
SQL> ALTER DATABASE CHARACTER SET INTERNAL_USE WE8MSWIN1252;
SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP;
SQL> execute sys.dbms_metadata_util.load_stylesheets;