TIOBE's mechanism is counting search results of various highly ranked search engines. These search engines confuse C, C++ and C# all the time. So I'm sure ther

TIOBE's mechanism is counting search results of various highly ranked search engines. These search engines confuse C, C++ and C# all the time. So I'm sure there's some level of mutual inflation of rankings going on there, even if you accepted search results as a meaningful metric. Similarly, I'd be a little suspect of the SQL variants rankings