title: how to delete particular column value alone in postgresql database?
body: <p>I have one table. The table name is employee. I used below query.</p>
  
  <pre><code>delete department,name,bloodgroup from employee where employeeid=2;
  </code></pre>
  
  <p>But I am not able to delete this record alone. It is showing error. And I don't want to use update statement.</p>