1
SELECT ROT13("hello world");
5
ERROR 42000: Incorrect parameter count in the call to native function 'rot13'
6
SELECT ROT13('foo','bar','zoo');
7
ERROR 42000: Incorrect parameter count in the call to native function 'rot13'
11
SELECT ROT13("UPPERCASE works 2");
12
ROT13("UPPERCASE works 2")
14
SELECT ROT13(ROT13("hello world"));
15
ROT13(ROT13("hello world"))