title: Need of information_schema when having sys.objects and sys.columns
body: <p>What is the need for <code>information_schema</code> catalog views as they provide details which is same as (sys.objects and sys.columns).</p>
  
  <pre><code>information_schema.tables-----&gt;retrives from sys.objects.
  information_schema.column-----&gt;retrives from sys.columns.
  </code></pre>