How to set Oracle bind variables when using SQLPlus?
<p>How do I set Oracle bind variables when using SQLPlus?</p>

<p>Example:</p>

<pre><code>SELECT orders.order_no FROM orders WHERE orders.order_date BETWEEN :v1 AND :v2
</code></pre>

<p>How do I set the dates of <code>:v1</code> and <code>:v2</code>?</p>