Download https://sourceforge.net/projects/freetdswindows/files/FreeTDS-1.00/FreeTDS-1.00-x86.zip/download
Decompress it to C:\freetds-1.00
git clone https://github.com/dniman/tlt
cd tlt
gem install tiny_tds -- --with-freetds-dir=C:\freetds-1.00
bundle install
During the development was added the trace flag 8780 gives the sql optimizer more time to find the most effective (e.g. quickest) way to retrieve the data.
After convert execute exec MSS_OBJECTS_CACHE_SAVE @bUpdAll=1 exec MSS_OBJECTS_STRUELEM_UPDTREE @bRebuildAll = 1 bug 180501