<p>Ce format vous oblige à utiliser soit :</p>
<pre><code class="lang-auto">CASE ebv.db_no
WHEN 22978 THEN 'WECS 9500'
WHEN 23218 THEN 'WECS 9500'
WHEN 23219 THEN 'WECS 9500'
ELSE 'WECS 9520'
END as wecs_system
</code></pre>
<p>Sinon, utilisez :</p>
<pre><code class="lang-auto">CASE
WHEN ebv.db_no IN (22978, 23218, 23219) THEN 'WECS 9500'
ELSE 'WECS 9520'
END as wecs_system
</code></pre>