
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Please draw the hashtable

Transcribed Image Text:• Start with an empty hash table of capacity 10 and load factor .75
• Double the table capacity during a resize operation.
• The hash function maps String keys to indexes using the first character base 26 mod table size.
• Example: "Wilson"
• Use quadratic probing to resolve collisions. Ex. h(n), h(n) + 1?, h(n) + 2², h(n) + 3² + .. (mod table
22 mod 10 = 2
size)
• Show the final table after adding the following in this order: "Schmitt", "Cernan", "Duke",
"Young", "Irwin", "Scott", "Mitchell", "Shepard", "Bean", "Conrad", "Aldrin", “Armstrong"
For your convenience here are character/number mappings:
А в с D E F G н I
JK L M
0 1
3
4 5 6 7 8
9
10
11
12
N o P QR ST U V
w x Y Z
13
14
15
16
17
18
19
20
21
22
23
24
25
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- a. Hash the following reindeer names, in this order based on the first letter of their name into a hash table of size 8 donner blitzen cupid dancer vixen prancer comet dasher b. this list has an issue called what?arrow_forwardHow does a hash table function to boost productivity over a traditional list? Is there a chance that you might explain the problem?A hashtable was used throughout development.arrow_forwardWrite the lines of code to insert the key (book's ISBN) and value ("book") pair into "my_hash_table".arrow_forward
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