You are comparing apples to oranges. I prefer to just eat them.
Run your queries in their native environments to get valid comparisons. The network layer appears to be skewing your results.
I can see why freeTDS is free - maybe it should be renamed to singleThreadedNotSoFastFreeTDS. MSN Search: MARS YUKON.
I don't think Microsoft or Sybase has published TDS internals, so anything these people are doing would be a reverse-engineer. It is a cool idea, but it would misrepresent the performance you would see using Microsoft SQL Server in place of MySQL.
MySQL faster than SQL Server? Avoid the Kool-Aid from whatever cult is promoting this.
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