title: How to use IN operator with temporary tables
body: <p>I have "puri" and "mailraku" as two temporary tables. How to fix this query? The documentation about "IN" doesn't mention it.</p>
  
  <pre><code>UPDATE tr_lines_alls
  SET ACT_FLG = 0
  WHERE IMG_ID IN (puri, mailraku);
  </code></pre>
  
  <p>The error says:</p>
  
  <pre><code> Unknown column 'puri' in 'where clause'
  </code></pre>