The UPPER-CASE Function
The UPPER-CASE function returns a character string that is the same length as argument-1 with each lower-case letter replaced
by the corresponding upper-case letter. The type of this function depends on the argument as follows:
| Argument Type | Function Type |
|---|---|
| Alphabetic | Alphanumeric |
| Alphanumeric | Alphanumeric |
| National | National |
General Format
Arguments
- Argument-1 must be class alphabetic, alphanumeric
or national
and must be at least one character in length.
Returned Values
- The same character string as argument-1 is returned, except that each lower-case letter is replaced by the corresponding upper-case letter.
- The character string returned has the same length as argument-1.