Definition, Meaning & Synonyms

hash-key

noun
/hæʃ ki/
Definition
A hash key is a term used in computing to refer to a unique identifier generated by a hash function, which converts input data into a fixed-size string of characters that typically appears random.
Examples
  • The hash key ensures that the data can be retrieved in constant time.
  • By using a hash key, the performance of the database is significantly improved.
Meaning
In the context of data structures, a hash key is used for efficient data retrieval and storage. It allows data to be quickly located and accessed in a hash table.
Synonyms
  • hash value
  • hash code
  • identifier