title: What is the purpose of tempdb in SQL Server?
body: <p>I need a clarification about <code>tempdb</code> in SQL Server and need some clarifications on following things</p>
  
  <ol>
  <li>What is the purpose of its? </li>
  <li>Can we create a own <code>tempdb</code> and how to make refer the own <code>tempdb</code> to own database?</li>
  </ol>