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SQL Server SOUNDEX() Function

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SQL Server SOUNDEX() Function

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Example

Formula

Evaluate the similarity of two strings, and return a four - character code:
SELECT SOUNDEX('Juice'), SOUNDEX('Jucy');

Definition and Usage

Formula

The SOUNDEX() function returns a four - character code to evaluate the similarity of two expressions.

Note:

Formula

The SOUNDEX() converts the string to a four - character code based on how the string sounds when spoken.

Tip:

Also look at the DIFFERENCE() function.

Syntax

Soundex(

expression )

Parameter Values

Parameter

Description expression

Required. The expression to evaluate. Can be a constant, variable, or column

Technical Details

Works in:

SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse

More Examples

Example

Formula

Evaluate the similarity of two strings, and return a four - character code:
SELECT SOUNDEX('Juice'), SOUNDEX('Banana');

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❮ SQL Server Functions

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SQL Server SPACE() Function