Why "Algorithms" and "Data Structures" are treated as separate disciplines?

Posted by Pavel Shved on Stack Overflow See other posts from Stack Overflow or by Pavel Shved
Published on 2010-03-14T10:38:53Z Indexed on 2010/03/14 10:45 UTC
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algorithm

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data-structures

This question was the last straw; and I've been wondering for a long time about it,

Why do people think about "Algorithms" and "Data structures" as about something that can be separated from each other?

I see a lot of evidence that they're separated in programmers' minds.

they request "Data Structures & Algorithms" books
they refer to "Data Structures" and "Algorithms" as separate university courses
they "know Algorithms", but are "weak in Data Structures" (can't find the link, sorry).
etc.

In my opinion "Data Structures" are algorithms, since the concept of "Data Structure" is about Algorithms to operate data that go in and out of the structures. But the opinion seems not a mainstream. What do I miss?

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