Browse Definitions :
Definition

dynamic hashing

Contributor(s): Laura Fitzgibbons

Dynamic hashing is a method of hashing, or shortening a string of characters in computer programming, where the set of shortened characters grows, shrinks, and reorganizes to fit the way the data is being accessed. All objects listed in an object dictionary are dynamic and may change when dynamic hashing is applied.

The process of dynamic hashing creates a smaller, adaptable string of characters, making it faster and easier for users to find objects in a dictionary or groups of objects stored in a containing data structure. Dynamic hashing prevents issues caused by a database growing too large and allows for maximum performance. It addition, it maximizes the available space for objects, tables, and other data within a system.

How dynamic hashing works

A hash function is similar to a find and replace feature where programmers are able to specify a specific item and create a system of rules that change it wherever that item occurs and the specified criteria are met.

In dynamic hashing, only a small amount of data is ever accessed at one time, making it easier on a computer's resources to perform one or more of the following commands:

  • Insert- Adds selected content.
  • Delete- Removes selected content.
  • Update- Changes selected content.
  • Query- Pulls up all results with specified criteria.

Dynamic hashing simplifies the work of searching a large database for a specific piece of information and performing various actions on it.

Advantages of dynamic hashing

Compared to other methods of hashing, dynamic hashing provides the following advantages:

  • Performance is not affected when the amount of data in a system is increased, only the memory size is.
  • Memory never goes unused as it adapts to data size.
  • Well-suited for applications where data is constantly changing.
This was last updated in June 2019

Continue Reading About dynamic hashing

Join the conversation

1 comment

Send me notifications when other members comment.

Please create a username to comment.

In what applications does your organization use dynamic hashing over static hashing?
Cancel

-ADS BY GOOGLE

Extensions de fichiers et formats de fichiers

Motorisé par:

SearchCompliance

  • compliance framework

    A compliance framework is a structured set of guidelines that details an organization's processes for maintaining accordance with...

  • regulatory compliance

    Regulatory compliance is an organization's adherence to laws, regulations, guidelines and specifications relevant to its business...

  • privacy compliance

    Privacy compliance is a company's accordance with established personal information protection guidelines, specifications or ...

SearchSecurity

SearchHealthIT

  • telemedicine (telehealth)

    Telemedicine is the remote delivery of healthcare services, such as health assessments or consultations, over the ...

  • Project Nightingale

    Project Nightingale is a controversial partnership between Google and Ascension, the second largest health system in the United ...

  • medical practice management (MPM) software

    Medical practice management (MPM) software is a collection of computerized services used by healthcare professionals and ...

SearchDisasterRecovery

  • crisis management plan (CMP)

    A crisis management plan (CMP) outlines how to respond to a critical situation that would negatively affect an organization's ...

  • disaster recovery (DR) test

    A disaster recovery test (DR test) is the examination of each step in a disaster recovery plan as outlined in an organization's ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

SearchStorage

  • kilobyte (KB or Kbyte)

    A kilobyte (KB or Kbyte) is a unit of measurement for computer memory or data storage used by mathematics and computer science ...

  • megabytes per second (MBps)

    Megabytes per second (MBps) is a unit of measurement for data transfer speed to and from a computer storage device.

  • zettabyte

    A zettabyte is a unit of measurement used by technology professionals and the general public to describe a computer or other ...

Close