title: what is the result
body: <p>The following query gives the output as 123.5</p>
  
  <pre><code>SELECT STR(123.45, 6, 1);  
  GO
  </code></pre>
  
  <p>But.. The following query gives the output as 123.3</p>
  
  <pre><code>SELECT STR(123.35, 6, 1);  
  GO
  </code></pre>
  
  <p>Why it is not giving the result as 123.4 ?</p>
  
  <pre><code>SELECT STR(123.45, 6, 1);  
  GO
  
  SELECT STR(123.35, 6, 1);  
  GO
  </code></pre>
  
  <p>The following query gives the output as 123.3</p>
  
  <pre><code>SELECT STR(123.35, 6, 1);  
  GO
  </code></pre>
  
  <p>Why it is not giving the result as 123.4 ?</p>