Soundex - Wikipedia
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Soundex is a phonetic algorithm for indexing names by sound, as pronounced in English. The goal is for homophones to be encoded to the same representation so that they can be matched despite minor differences in spelling.[1] The algorithm mainly encodes consonants; a vowel will not be encoded unless it is the first letter. Soundex is the most widely known of all phonetic algorithms (in part because it is a standard feature of popular database software such as DB2, PostgreSQL,[2] MySQL,[3] SQLite,[4] Ingres, MS SQL Server[5] and Oracle[6]) and is often used (incorrectly) as a synonym for "phonetic algorithm".[citation needed] Improvements to Soundex are the basis for many modern phonetic algorithms.[7]Contents1 History2 American Soundex3 Variants4 See also5 ReferencesHistory[edit]Soundex was developed by Robert C. Russell and Margaret King[8] Odell and patented in 1918[9] and 1922.[10] A variation, American Soundex, was used in the 1930s for a retrospective analysis of the US censuses …

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Related Topics: MySQL PostgreSQL Microsoft SQL Server
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