LOWER()

Documentation

LOWER() — Returns a string converted to all lowercase characters.

LOWER( string-expression )

The LOWER() function returns a copy of the input string converted to all lowercase characters.

The following example uses the LOWER function to perform a case-insensitive search of a VARCHAR field.

SELECT product_name, product_id  FROM product_list
    WHERE LOWER(product_name) LIKE 'acme%'
    ORDER BY product_name, product_id;