COMPUSPEC
| Code | Output |
|---|---|
| select char(-1) | NULL |
| select ascii( char(0) ) | 0 |
| select char(48) | 0 |
| select char(57) | 9 |
| select char(65) | A |
| select char(90) | Z |
| select char(97) | a |
| select char(122) | z |
| select ascii( char(255) ) | 255 |
| select char(256) | NULL |
| select char(Null) | NULL |
| select char('X') | Error |
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Roger Hall COMPUSPEC |
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