<p>What is the best way to convert an int or null to boolean value in an SQL query, such that:</p>

<ul>
<li>Any non-null value is <strong>TRUE</strong> in the results</li>
<li>Any null value is <strong>FALSE</strong> in the results</li>
</ul>

```
```
isnull(column - column + 1, 0) != 0
```
```