title: Selecting rows with null in integer columns using mysql query
body: <p>I have a table named 'datatablecoulmn' with the following columns.
  <img src="https://i.stack.imgur.com/JQDFD.jpg" alt="enter image description here"></p>
  
  <p>now i want all rows where the column FkID is NULL.FkID  is an integer field</p>
  
  <p>i tried the following queries </p>
  
  <pre><code>             SELECT * FROM `datatablecoulmn` WHERE `FkID`=NULL
               SELECT * FROM `datatablecoulmn` WHERE `FkID`&lt;1
               SELECT * FROM `datatablecoulmn` WHERE `FkID`='null'
  </code></pre>
  
  <p>All of these returns empty rows .Any help?</p>