!--a11y-->

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) |
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x is a 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 |
