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Difference between URL and URI?

Possible Duplicate:
What's the difference between a URI and a URL?

Just to get it right:

URI = Tells you in which hotel you should go to sleep.

URL = Tells you in which room in what hotel you should go to sleep.

So URL is a lot more specific, it points to a final destination. The thing you want. While URI is something strange.

So what exactly is URI when it's not an URL? What's the real difference?

Solution

  • URI: Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet. Such identification enables interaction with representations of the resource over a network (typically the World Wide Web) using specific protocols

    URL: In computing, a Uniform Resource Locator (URL) is a subset of the Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it.

    Example

    To identify a specific resource and how to access it - in all completeness

    URI: mysql://localhost@databasename:password

    The URL shows you where you can find the database on the internet and which protocol you should use.

    URL: mysql://localhost