Do url shortening services shorten the id or directly the url?
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Tatu Meriläinen
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Published on 2012-04-11T11:03:08Z
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2012/04/11
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Assuming the urls are saved to a database where they each have id and the url saved. For example a url www.example.com (let's say with id 1000) would possibly be shortened to www.url.com/c1hd5 etc.
Is the url www.example.com shortened to c1hd5 with base64 or similar or are the ids shortened?
The 566 id could be shortened like this: 1 = 1, 2 = 2, ... 9 = 9, 10 = a. The 1000 id would be fE if we used every possible letter from a-Z and - _.
Is it good idea to use ids from database to shorten urls?
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