Disable sorting for a particular column in jQuery DataTables

Question

I am using the jQuery DataTables plugin to sort the table fields. My question is: how do I disable sorting for a particular column? I have tried with the following code, but

Answer 1

For Single column sorting disable try this example :

For Multiple columns try this example: you just need to add column number. By default it's starting from 0

Here only Column 3 works