Help with Btree homework

Posted by Phenom on Stack Overflow See other posts from Stack Overflow or by Phenom
Published on 2010-05-11T03:24:16Z Indexed on 2010/05/11 3:34 UTC
Read the original article Hit count: 339

Filed under:

btree

|

homework

I need to do a preorder traversal of a Btree, and among other things, print the following information for each page (which is the same thing as a node):

The B-Tree page number
The value of each B-Tree page pointer (e.g., address, byte offset, RRN).

My questions are: 1. How do you figure out the byte offset? What is it offset from? 2. Isn't the RRN the same as the page number?

Note: A Btree is NOT A BINARY TREE. Btrees can have multiple keys in each node, and a node with n keys has n+1 child pointers.

© Stack Overflow or respective owner

Related posts about btree

good ADT to implement BTREE

as seen on Stack Overflow - Search for 'Stack Overflow'
What data structure should I use to implement a BTree? Why? >>> More
How to traverse a Btree?

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a Btree and I'm trying to figure out how traverse it so that the keys are displayed ascending order. All I can figure out is that this can be done with a recursive function. What's the pseudo-code to do it? >>> More
How to transverse a Btree?

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a BST and I'm trying to figure out how transverse it so that the keys are displayed ascending order. All I can figure out is that this can be done with a recursive function. What's the pseudo-code to do it? >>> More
Preoder traversal of a Btree

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to figure out how to do a preorder traversal of a Btree. I know that generally preorder traversal works like this: preorder(node) { print value in node preorder(left child) preorder(right child) } What's confusing to me is how to make this work with a Btree, since in each node there… >>> More
Existing implementation of Btree or B+tree in Java

as seen on Stack Overflow - Search for 'Stack Overflow'
I am doing a project in which I require btree or b+tree data structure. Does anyone know of an existing implementation of btree or b+tree (with insert, delete, search algorithms)? It should accept string as input and form btree or b+tree of these string. >>> More

Related posts about homework

parsing a list and producing a structure of that

as seen on Stack Overflow - Search for 'Stack Overflow'
;; structure representing homework points ;; nr: number - the number of the homework ;; points: number - the number of points reached (define-struct homework (nr points)) ;; parse-homework: (list of number pairs) -> (list of homework) ;; The procedure takes a list of number pairs and produces… >>> More
Scheme homework help

as seen on Stack Overflow - Search for 'Stack Overflow'
Okay so I have started a new language in class. We are learning Scheme and i'm not sure on how to do it. When I say learning a new language, I mean thrown a homework and told to figure it out. A couple of them have got me stumped. My first problem is: Write a Scheme function that returns true (the… >>> More
Unix [Homework]: Get a list of /home/user/ directories in /etc/passwd

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm very new to Unix, and currently taking a class learning the basics of the system and its commands. I'm looking for a single command line to list off all of the user home directories in alphabetical order from the /etc/passwd directory. This applies only to the home directories, and not the contents… >>> More
sequential search homework question

as seen on Stack Overflow - Search for 'Stack Overflow'
Consider a disk file containing 100 records a. How many comparisons would be required on the average to find a record using sequential search, if the record is known to be in the file? I figured out that this is 100/2 = 50. b. If the record has a 68% probability of being in the file, how many comparisons… >>> More
[Homework] Online programming editor

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, For a school project i need to write or use a online programming editor. It is a part of a bigger project. I thought of a java application, php/html/javascript or flash. I have a couple of things i could do: Find a good working application and edit it so it works with the rest of the project Find… >>> More