<code class="command">CREATE SEQUENCE</code>, <code class="command">CREATE
        TRIGGER</code> and <code class="command">GRANT</code> are accepted as clauses
        within <code class="command">CREATE SCHEMA</code>. Other kinds of objects may
        be created in separate commands after the schema is created.
       </p></dd><dt><span class="term"><code class="literal">IF NOT EXISTS</code></span></dt><dd><p>
        Do nothing (except issuing a notice) if a schema with the same name
        already exi