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LOWER

SQL Server 2000

Returns a character expression after converting uppercase character data to lowercase.

Syntax

LOWER ( character_expression )

Arguments

character_expression

Is an expression of character or binary data. character_expression can be a constant, variable, or column. character_expression must be of a data type that is implicitly convertible to varchar. Otherwise, use CAST to explicitly convert character_expression.

Return Types

varchar

Examples

This example uses the LOWER function, the UPPER function, and nests the UPPER function inside the LOWER function in selecting book titles that have prices between $11 and $20.

USE pubs
GO
SELECT LOWER(SUBSTRING(title, 1, 20)) AS Lower, 
   UPPER(SUBSTRING(title, 1, 20)) AS Upper, 
   LOWER(UPPER(SUBSTRING(title, 1, 20))) As LowerUpper
FROM titles
WHERE price between 11.00 and 20.00
GO

Here is the result set:

Lower                   Upper                   LowerUpper           
--------------------    --------------------    -------------------- 
the busy executive's    THE BUSY EXECUTIVE'S    the busy executive's 
cooking with compute    COOKING WITH COMPUTE    cooking with compute 
straight talk about     STRAIGHT TALK ABOUT     straight talk about  
silicon valley gastr    SILICON VALLEY GASTR    silicon valley gastr 
secrets of silicon v    SECRETS OF SILICON V    secrets of silicon v 
prolonged data depri    PROLONGED DATA DEPRI    prolonged data depri 
fifty years in bucki    FIFTY YEARS IN BUCKI    fifty years in bucki 
sushi, anyone?          SUSHI, ANYONE?          sushi, anyone?       

(8 row(s) affected)

See Also

Data Types

String Functions

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