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title: "SET LANGUAGE (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "06/05/2017" ms.prod: sql ms.prod_service: "sql-data-warehouse, database-engine, sql-database" ms.reviewer: "" ms.suite: "sql" ms.technology: t-sql ms.tgt_pltfrm: "" ms.topic: "language-reference" f1_keywords:

  • "SET_LANGUAGE_TSQL"
  • "SET LANGUAGE" dev_langs:
  • "TSQL" helpviewer_keywords:
  • "LANGUAGE option"
  • "languages [SQL Server], setting language"
  • "SET LANGUAGE statement"
  • "options [SQL Server], date"
  • "default languages" ms.assetid: 0ec0e5cf-e115-4be9-a0db-e65837d6fa45 caps.latest.revision: 20 author: CarlRabeler ms.author: carlrab manager: craigg monikerRange: "=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||=sqlallproducts-allversions||>=sql-server-linux-2017"

SET LANGUAGE (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-asdb-asdw-xxx-md]

Specifies the language environment for the session. The session language determines the datetime formats and system messages.

Topic link icon Transact-SQL Syntax Conventions

Syntax

  
SET LANGUAGE { [ N ] 'language' | @language_var }

Arguments

[N]'language' | **@**language_var
Is the name of the language as stored in sys.syslanguages. This argument can be either Unicode or DBCS converted to Unicode. To specify a language in Unicode, use N'language'. If specified as a variable, the variable must be sysname.

Remarks

The setting of SET LANGUAGE is set at execute or run time and not at parse time.

SET LANGUAGE implicitly sets the setting of SET DATEFORMAT.

Permissions

Requires membership in the public role.

Examples

The following example sets the default language to Italian, displays the month name, and then switches back to us_english and displays the month name again.

DECLARE @Today DATETIME;  
SET @Today = '12/5/2007';  
  
SET LANGUAGE Italian;  
SELECT DATENAME(month, @Today) AS 'Month Name';  
  
SET LANGUAGE us_english;  
SELECT DATENAME(month, @Today) AS 'Month Name' ;  
GO

See Also

Data Types (Transact-SQL)
syslanguages
sp_helplanguage (Transact-SQL)
SET Statements (Transact-SQL)