i>Views are basically virtual tables</li>
<li>They are a layer on top of other tables</li>
<li>Along with access control, they can be used to ensure different levels of privacy and security</li>
<li>For example, the human resources department usually needs to know about their employees’ social insurance numbers ( SINs)
<ul>
<li>to report to the different governments for income taxes, etc…</li>
</ul></li>
<li>But the IT services (except maybe the top-level DBAs), marketing, etc… departments should not 