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<title>DROP TYPE</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
<a name="sql-droptype"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2>Name</h2>
<p>DROP TYPE — remove a data type</p>
</div>
<a name="id773245"></a><div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">DROP TYPE <em class="replaceable"><code>name</code></em> [, ...] [ CASCADE | RESTRICT ]</pre>
</div>
<div class="refsect1" lang="en">
<a name="id773269"></a><h2>Description</h2>
<p> <code class="command">DROP TYPE</code> will remove a user-defined data type.
Only the owner of a type can remove it.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id773283"></a><h2>Parameters</h2>
<div class="variablelist"><dl>
<dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt>
<dd><p> The name (optionally schema-qualified) of the data type to remove.
</p></dd>
<dt><span class="term"><code class="literal">CASCADE</code></span></dt>
<dd><p> Automatically drop objects that depend on the type (such as
table columns, functions, operators).
</p></dd>
<dt><span class="term"><code class="literal">RESTRICT</code></span></dt>
<dd><p> Refuse to drop the type if any objects depend on it. This is
the default.
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="sql-droptype-examples"></a><h2>Examples</h2>
<p> To remove the data type <code class="type">box</code>:
</p>
<pre class="programlisting">DROP TYPE box;</pre>
<p>
</p>
</div>
<div class="refsect1" lang="en">
<a name="sql-droptype-compatibility"></a><h2>Compatibility</h2>
<p> This command is similar to the corresponding command in the SQL
standard, but note that the <code class="command">CREATE TYPE</code> command
and the data type extension mechanisms in
<span class="productname">PostgreSQL</span> differ from the SQL standard.
</p>
</div>
<div class="refsect1" lang="en">
<a name="sql-droptype-see-also"></a><h2>See Also</h2>
<span class="simplelist"><a href="sql-createtype.html">CREATE TYPE</a>, <a href="sql-altertype.html">ALTER TYPE</a></span>
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