Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Hash Table
A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of as…
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When creating an open hash table with decent functionality, keep the following points in mind:

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Step 1

Lookup table:

Hash tables are used in hashing to store information in an array format, with each item containing its own unique index value.

In a hash table, each key will directly correlate to a value.

These keys are useful for indexing the associated values or data.
It improves the speed of any find, insert, or delete process.

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