3. Use the table below to convert a character key to an integer for the following questions.Letter A Bc |D EF|G |H |I |J |K L MKeyLetter NOPQRSKey0 12 3 45 6 789 10 11 12TUVWXYZ13 14 15 16 17 18 19 20 21 22 23 24 25(a)that order into an initially empty 13-item hash table: (E, A, S1, Y, Q,U, E2, S2, T, I,0, N). Useh(k) = k mod 13 for the hash function for the k-th letter of the alphabet (see above table forconverting letter keys to integer values). Use linear probing.Give the contents of the hash table that results when the following keys are inserted in(b) -, Give the contents of the hash table that results when the same keys are inserted inthat order into an initially empty 13-item hash table. Use h(k) = k mod 13 for the hash functionfor the k-th letter of the alphabet (see above table for converting letter keys to integer values).Use double hashing and let h'(k) =1+ (k mod 11) be the secondary hash function.

Answered: 3. Use the table below to convert a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question 17
which index is also reffered to as a non-clustering index? a) Bidirectional Index b) Primary Index c) Hash Index d) Secondary Index
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I need help finishing up a HW assignment for my data structures class and dont know if i selected the right answers or no
The following are applications of hash functions EXCEPT FOR Question 15 options: AES encryption algorithm Storing Passwords File synchronization Digital Signatures
Using quadratic probing, what would be the answer for the following questions if you insert the following keys in sequence: 10, 17, 24, 31, 21, 19. (N = 7) While doing the insertions keep track of the number of collisions for each key and get the final configuration of the structure. Use the following quadratic hashing function: ((x mod 7) + j²) mod 7. What is the final configuration of the hash table? Use the indices from 0 to 6 to report where each key will be mapped. If the position has no value use the word empty. For example, if the final configuration is 10,17,24,31,21,19 (starting from index 0), your answer in the box should be 10,17,24,31,21,19,empty. Please don't use blank spaces or quotes to separate the values. Report the number of collisions for each key using the order of insertion. For example, if you answer as 0,1,3,1,0,1, this means that you found 0 collisions for key 3, 1 collision for key 10, 3 collisions for key 17, 1 collision for key 24, 0 collisions…
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A split at the $3200 income point creates a top and bottom partition. Compute the overall(weighted) Gini index given an income split of 32000. income is 0, 10,000, 20,000, 30,000, 40,000, 50,000, 60,000, 70,000, 80,000, and age is 0,10,20,30,40,50 (Please give correct answer with explanction)
Insert the following sequence of keys in the hash table.Keys = {4, 2, 1, 3, 5, 6, 8}Use linear probing technique for collision resolution: h(k, i) = [h(k) + i] mod mHash function, h(k) = 3k + 1Table size, M = 10 Draw the hash table, compute the index where the hashvalue will be inserted for each key, and show how you would use the technique when a collisionoccurs.
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1. Given the following hash function for storing records on courses:f(title) = ASCII value of first character in the title - 64Example: f(Biology I) = 66 – 65 = 1 (ASCII value of B is 66) a. Explain why this is or is not a good hash function.b. What improvement(s) could be made? 2. Assume that the hash function is: f(key) = key % Ba. What is the problem if B is too small?b. What is the problem if B is too large?c. What is the big-0 run-time if there are n records?d. What does the run-time for a find, insert, and delete each approach as B gets verylarge?
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