How Long is this String?

A quick puzzle from Alex Nuijten’s blog: How long is the folowing string?: to_char (10, ‘0999’) Have a think, and then check out the answer on nuijten.blogspot.com.

A quick puzzle from Alex Nuijten’s blog:

How long is the folowing string?:

to_char (10, '0999')

Have a think, and then check out the answer on nuijten.blogspot.com.