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SOUNDEX Function

Posted By: Sarita Patel     Category: SQL Server     Views: 4454

This article explains SOUNDEX function of sql server with examples.

SOUNDEX is used to compare two strings. It returns 4 character code. It converts an alpha string to a four-character code to find similar-sounding words. The first character of the code is the first character of character_expression and the second through fourth characters of the code are numbers. Vowels in character_expression are ignored unless they are the first letter of the string. 


Syntax of SOUNDEX Function :

SOUNDEX(character_expression)

character_expression is a string of type character. It can be a constant, variable, or column. 

It returns char data type.



Examples of SOUNDEX Function :

Example 1 : Use of SOUNDEX function in select clause

SELECT SOUNDEX('Syntax-Example')

Output
S532

Above example returns 4 character code for specified string.
  
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Sarita Patel
Sarita Patel author of SOUNDEX Function is from United States.
 
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