5. (a) What is Primary Clustering? Which Collision Resolution technique resolves this suffering?

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
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Here is the value of X is 1 

5. (a) What is Primary Clustering? Which Collision Resolution technique resolves this
suffering?
(b) Consider an open-addressing hash table as shown below (Table 2). The table already
contains three data items. Assume that collisions are handled by the following hash
function.
h(k, i) = (h'(k) + i h2(k)) mod 13,
(2k + 7) mod 13 and h2(k) = (k + 5) mod 13.
where h'(k)
By showing calculations, redraw Table 2 and show following operations
i.
Insert 70
ii.
Insert 83
ii.
Insert X
iv.
Search 99
1
2
3
4
5
7
8
10
11
12
44
12
51
Table 2: Open Addressing Table
Transcribed Image Text:5. (a) What is Primary Clustering? Which Collision Resolution technique resolves this suffering? (b) Consider an open-addressing hash table as shown below (Table 2). The table already contains three data items. Assume that collisions are handled by the following hash function. h(k, i) = (h'(k) + i h2(k)) mod 13, (2k + 7) mod 13 and h2(k) = (k + 5) mod 13. where h'(k) By showing calculations, redraw Table 2 and show following operations i. Insert 70 ii. Insert 83 ii. Insert X iv. Search 99 1 2 3 4 5 7 8 10 11 12 44 12 51 Table 2: Open Addressing Table
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