The Sqlschema utility does not handle update permissions when using the -g parameter.

CREATE PROCEDURE grantupdate ()
RESULT ( cSqlCmd CHARACTER(132) )
BEGIN
    SQLCursor scTbl = new SQLCursor ("SELECT tblowner, tbl, grantee "
                                     + "FROM sysprogress.systabauth "
                                     + "WHERE upd = 'y'");
    scTbl.open ();
    scTbl.fetch ();
    while (scTbl.found()) {
        String sSchemaName = (String) scTbl.getValue(1, CHARACTER);
        String sTblName = (String) scTbl.getValue(2, CHARACTER);
        String sUser = (String) scTbl.getValue(3, CHARACTER);
        sUser = "'" + sUser + "'";
        String sGrantCmd = new String("GRANT UPDATE ON "
                                      + sSchemaName.trim() + "."
                                      + sTblName.trim()
                                      + " TO " + sUser.trim() + ";");
        SQLResultSet.set (1, sGrantCmd);
        SQLResultSet.insert();
        scTbl.fetch();
    }
    scTbl.close();
    SQLResultSet.set (1, "COMMIT WORK;");
    SQLResultSet.insert();
END;