Why is it necessary to hash?

Skill/Topic: Hash Table
A) Hashing assures that the format of keys is uniform and unique
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manishmodgil

  • Dec 28th, 2007
 

It is one of the data structures and could prove to be useful in situation depending upon the domain.

Hashing is a technique to organize the data according to some function f(x) applied on the individual data elements x.

It is a heuristic technique i.e. it uses data itself to determine its course.

Hashing is a powerful method to searching because it quickly reduces the domain where data is to be searched.

Chaining is a concept related to hashing , in case we encounter multiple data elements having the same key.

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