When executing
SELECT * FROM SYSOPTIONS WHERE "option" LIKE '%key%'
the results are different in Freedts ODBC rather than Sysbase ODBC or Central, reasons are simple and how to avoid are showed in this article!
Here were show how to avoid those little mistakes, it's not faults of ODBC freetds (versions 0.81, 0.86, 0.91 or 0.95 that returns 0 rows if you typed bad the sql sentence), here are the reasons and how to correctly make it!