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 |
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 |