3.16. --- ON MATCH
<p>Used in conjunction with <span style="color: #ff0000;"><code class="literal">MERGE</code></span>, this write sub-clause specifies the actions to take if the pattern already exists.</p>
<p>Used in conjunction with <span style="color: #ff0000;"><code class="literal">MERGE</code></span>, this write sub-clause specifies the actions to take if the pattern already exists.</p>