title: Azure Data Factory "Not In" Expression
body: <p>Using Azure Data Factory data transformation expressions in mapping data flow;</p>
  <p>What is the proper way to filter Dataflow join settings for Azure Data Factory when you want to express the sql statement &quot;NOT IN&quot;?</p>
  <p>Example:</p>
  <pre class="lang-sql prettyprint-override"><code>...
  AND a.id NOT IN (2050, ..., 2057)
  ...
  </code></pre>