Re: B-trees

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Sun, 03 Aug 2008 00:43:35 GMT
On 2008-08-03 00:02, rsprawls wrote:

I found a disk for a b-tree algorithm that I purchased back in 93 or
so. I'd hoped to find this, but now I'd like to know how worthwhile
are b-trees in today's advancements? This is old C code using pascal
and cdecl declarations, but it would be a minor project to bring up to
date in C, but I was thinking it might be a good project to convert it
over to C++, especially since I don't know C++ very well and would
like a good sorting algorithm for medium sized datafiles.

Are b-trees still a valued data structure today? It's been so long
since I set foot in programming, I'm itching to start again, but I'm
wanting a starting point.

Not really topical for this group, you might want to ask in a general
programming group like comp.programming.

AFAIK B-Trees or one of its derivatives are used in most modern
filesystems, since the time it takes to read in a node from the disk is
so high you want to have as few reads as possible. I would also suspect
that they are commonly used in databases and other places which deals
with on-disk storage. If the datastructur is in RAM other structures are
generally better.

Erik Wikstr??m

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