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RTRIM (Transact-SQL)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Returns a character string after truncating all trailing blanks.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database, Azure SQL Data Warehouse Public Preview.

Topic link icon Transact-SQL Syntax Conventions

RTRIM ( character_expression )

character_expression

Is an expression of character data. character_expression can be a constant, variable, or column of either character or binary data.

character_expression must be of a data type that is implicitly convertible to varchar. Otherwise, use CAST to explicitly convert character_expression.

varchar or nvarchar

A. Simple Example

The following example takes a string of characters that has spaces at the end of the sentence, and returns the text without the spaces at the end of the sentence.

SELECT RTRIM('Removes trailing spaces.   ');

Here is the result set.

-------------------------------------------------------------------------

Removes trailing spaces.

B. Using RTRIM with a variable

The following example demonstrates how to use RTRIM to remove trailing spaces from a character variable.

DECLARE @string_to_trim varchar(60);
SET @string_to_trim = 'Four spaces are after the period in this sentence.    ';
SELECT @string_to_trim + ' Next string.';
SELECT RTRIM(@string_to_trim) + ' Next string.';
GO

Here is the result set.

-------------------------------------------------------------------------

Four spaces are after the period in this sentence.     Next string.

(1 row(s) affected)

-------------------------------------------------------------------------

Four spaces are after the period in this sentence. Next string.

(1 row(s) affected)

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