 a specified value.</p><p>Calling this function with one callback parameter is used to include only those Rows which meet a calculated boolean condition.</p></section><section class="s2" id="/api/queries/type-aliases/definition/join/" data-id="J"><h2><code>Join</code></h2><p>The <code>Join</code> type describes a function that lets you specify a <a href="/api/store/type-aliases/store/cell/"><code>Cell</code></a> or calculated value to join the main query <a href="/api/store/type-aliases/store/table/"><code>