UPPER
Converts the string to uppercase letters.
Syntax
UPPER(STRING)
Arguments
STRING
Type: string
A sequence of characters.
Returns
Type: string
STRING in uppercase letters.
Examples
SELECT UPPER("a") = "A" AND UPPER("abc") = "ABC" AND UPPER("123") = "123" AND UPPER("abc") = "ABC" AND UPPER('-=@#$') = "-=@#$" AND UPPER(null) is null AND UPPER(CAST(null as varchar)) is null
| STRING | Output |
|---|---|
| a | A |
| abc | ABC |
| 123 | 123 |
| abc | ABC |
| -=@#$ | -=@#$ |
null
|
null
|