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SQL - UPPER Function

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SQL Tutorial - SQL UPPER Function

The UPPER() function converts a string of text to all upper case letters.

SQL UPPER() SYNTAX

Select UPPER(columnname)
FROM
tablename

Upper Function Example

The Products table has the following records:

ProductID	ProductName	ProductPrice
Prd001	Pen	40.25
Prd002	Pen	100.75
Prd003	Eraser	10.35
Prd004	Pencil	20.45
Prd005	Book	50.65
Prd006	Gum	25.22

To convert the product names of all the products to uppercase, use the 'Upper' function on the 'ProductName' column as shown below.

SELECT UPPER(ProductName) as ProductName
FROM
Products

ProductName

PEN

PEN

ERASER

PENCIL

BOOK

GUM

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