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<h1 id="sql-show-stats--page-root">SHOW STATS<a class="headerlink" href="#sql-show-stats--page-root" title="Permalink to this headline">#</a></h1>

<h2 id="synopsis">Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this headline">#</a></h2>
<div class="highlight-text notranslate"><div class="highlight"><pre><span></span>SHOW STATS FOR table
SHOW STATS FOR ( query )
</pre></div>
</div>


<h2 id="description">Description<a class="headerlink" href="#description" title="Permalink to this headline">#</a></h2>
<p>Returns approximated statistics for the named table or for the results of a
query. Returns <code class="docutils literal notranslate"><span class="pre">NULL</span></code> for any statistics that are not populated or
unavailable on the data source.</p>
<p>Statistics are returned as a row for each column, plus a summary row for
the table (identifiable by a <code class="docutils literal notranslate"><span class="pre">NULL</span></code> value for <code class="docutils literal notranslate"><span class="pre">column_name</span></code>). The following
table lists the returned columns and what statistics they represent. Any
additional statistics collected on the data source, other than those listed
here, are not included.</p>
<table>
<colgroup>
<col style="width: 14%"/>
<col style="width: 32%"/>
<col style="width: 54%"/>
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Column</p></th>
<th class="head"><p>Description</p></th>
<th class="head"><p>Notes</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">column_name</span></code></p></td>
<td><p>The name of the column</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">data_size</span></code></p></td>
<td><p>The total size in bytes of all of the values in the column</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row. Available for columns of textual types (<code class="docutils literal notranslate"><span class="pre">CHAR</span></code>, <code class="docutils literal notranslate"><span class="pre">VARCHAR</span></code>, etc)</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">distinct_values_count</span></code></p></td>
<td><p>The estimated number of distinct values in the column m</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">nulls_fractions</span></code></p></td>
<td><p>The portion of the values in the column that are <code class="docutils literal notranslate"><span class="pre">NULL</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">row_count</span></code></p></td>
<td><p>The estimated number of rows in the table</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in column statistic rows</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">low_value</span></code></p></td>
<td><p>The lowest value found in this column</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row. Available for columns of numeric types (<code class="docutils literal notranslate"><span class="pre">BIGINT</span></code>, <code class="docutils literal notranslate"><span class="pre">DECIMAL</span></code>, etc)</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">high_value</span></code></p></td>
<td><p>The highest value found in this column</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">NULL</span></code> in the table summary row. Available for columns of numeric types (<code class="docutils literal notranslate"><span class="pre">BIGINT</span></code>, <code class="docutils literal notranslate"><span class="pre">DECIMAL</span></code>, etc)</p></td>
</tr>
</tbody>
</table>


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