Server Commands/HASH
(New page: <pre>HASH</pre> Displays hash table statistics. (Return to Main listing of Server Commands)) |
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Displays hash table statistics. | Displays hash table statistics. | ||
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| + | A hash table, or a hash map, is a data structure that associates keys with values. The primary operation it supports efficiently is a lookup: given a key (e.g. a person's name), find the corresponding value (e.g. that person's telephone number). It works by transforming the key using a hash function into a hash, a number that is used to index into an array to locate the desired location ("bucket") where the values should be. Adopted from [[Wikipedia:Hash_table|wikipedia.org]]. | ||
[[Server Commands|(Return to Main listing of Server Commands)]] | [[Server Commands|(Return to Main listing of Server Commands)]] | ||
Current revision as of 09:31, 7 July 2009
Syntax: HASH
Displays hash table statistics.
A hash table, or a hash map, is a data structure that associates keys with values. The primary operation it supports efficiently is a lookup: given a key (e.g. a person's name), find the corresponding value (e.g. that person's telephone number). It works by transforming the key using a hash function into a hash, a number that is used to index into an array to locate the desired location ("bucket") where the values should be. Adopted from wikipedia.org.
