These datatypes are not supported for Sybase replication.
ROWID
XML
User-defined datatypes
These datatypes are not supported when the replicate database is IBM DB2:
BLOB
CLOB
DBCLOB
LONG VARCHAR
LONG VARGRAPHIC
Note:
If graphic datatypes are used in a non-unicode database, Replication Agent does
not replicate the values in these columns with the correct charset encoding
(except for UTF-16BE encoding).