3.3.1 Accessing Data: Understanding Django’s Slug
When organizing data for a website, a developer should always ask how the data will be accessed and, more specifically, how the user will request these data.
A website is accessed with a URL, or Uniform Resource Locator, which identifies data held by the website. For URLs to work correctly, the resources that they identify must be uniquely identifiable. To find a resource, we must have an unambiguous method by which to refer to it. If we do not, then it becomes possible to request a URL and to end up with two or more potential resources. Can you imagine asking Amazon for a page about a movie and half of the time receiving a page about a different movie of the same name? Websites would become unusable. ...
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