UPPER (Transact-SQL)
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UPPER (Transact-SQL)

Returns a character expression with lowercase character data converted to uppercase.

Topic link icon Transact-SQL Syntax Conventions

UPPER ( 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

The following example uses the UPPER and RTRIM functions to return the last name of people in the Contact table so that is in uppercase, trimmed, and concatenated with the first name.

USE AdventureWorks;
SELECT UPPER(RTRIM(LastName)) + ', ' + FirstName AS Name
FROM Person.Contact
ORDER BY LastName;

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