title: mysql float data not selecting in where clause
body: <p>This maybe an easy one but i couldn't get answer. 
  I need to select float value from table</p>
  
  <p>example table :-</p>
  
  <pre><code>value
  10.2
  4.5
  4.6
  4.06
  </code></pre>
  
  <p>my query</p>
  
  <pre><code>SELECT * FROM table where value = '4.6'
  </code></pre>
  
  <p>returns empty result set</p>
  
  <p>how can i solve this !</p>