1) su
2) yum deplist unixODBC
.. will show all dependencies. ( There isn't any.)
3) yum install unixODBC
.. to automatically download and install it.
If you have questions ...
http://linuxsilo.net/docs/smart-questions_en.html
... And don't forget to tell which Linux OS, you are using.
And the version ... and the architecture, x86 or x86_64.
Must be told every time a question is asked.
.....