When the change is from a single-byte to a multibyte character set:
isql -Uuser_name -Ppassword -Srssd_name -Jeucjis < %SYBASE%\%SYBASE_REP%\scripts\rsspmsg2.sql
When the change is from a multibyte to a single-byte character set:
isql -Uuser_name -Ppassword -Srssd_name -Jiso_1 < %SYBASE%\%SYBASE_REP%\scripts\rsspmsg1.sql
When the change is to the UTF-8 character set, install both rsspmsg1.sql and rsspmsg2.sql
