UPPER( ) function

Returns a string with alphabetic characters converted to uppercase.

Syntax

UPPER(string)

Parameters

Name Type Description
string character The field, expression, or literal value to convert to uppercase.

Output

Character.

Examples

Basic examples

Returns "ABC":

UPPER("abc")

Returns "ABC 123 DEF":

UPPER("abc 123 DEF")

Returns "ABCD 12":

UPPER("AbCd 12")

Returns all the values in the Last_Name field converted to uppercase:

UPPER(Last_Name)

Remarks

How it works

The UPPER( ) function converts all alphabetic characters in string to uppercase. All non-alphabetic characters are left unchanged.

When to use UPPER( )

Use UPPER( ) when you need to ensure that all characters in a field, variable, or expression have consistent casing. Consistent casing is particularly important when you are comparing values.

UPPER( ) can also be used for formatting values in reports as uppercase text.