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UPPER/LOWER(x) 

UPPER(x) and LOWER(x) are string functions that convert a character string to uppercase/lowercase letters.

 

Result of the Function UPPER(x) or LOWER(x)

x is a NULL value

NULL value

Example table: hotel

Refining searches by specifying uppercase/lowercase letters

SELECT * FROM hotel WHERE UPPER(name) = 'REGENCY'

HNO

NAME

ZIP

CITY

ADDRESS

30

Regency

48153

Portland

477 17th Avenue

 

 

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