/a> or <a href="/api/store/type-aliases/schema/tablesschema/"><code>TablesSchema</code></a> on a <a href="/api/the-essentials/creating-stores/store/"><code>Store</code></a> so that certain structures of data are assured.</p><p>See also the <a href="/demos/countries/">Countries</a> demo, the <a href="/demos/todo-app/">Todo App</a> demos, and the <a href="/demos/drawing/">Drawing</a> demo.</p><section class="s2" id="/guides/schemas/using-schemas/" data-id="US"><h2>Using Schemas</h2><p><a href="/guides/schemas