title: What is the purpose of putting an 'N' in front of function parameters in TSQL?
body: <p>What is the purpose of putting an 'N' in front of function parameters in TSQL?</p>
  
  <p>For example, what does the <code>N</code> mean in front of the function parameter in the following code:</p>
  
  <pre><code>object_id(N'dbo.MyTable')
  </code></pre>