Using TSQL, can I increment a CHAR(1) column by one and use it in a LEFT OUTER JOIN without a CASE statement?

Question

This question is similar to my last question. Except this time I\'m using letters rather than 6 digit integers. I want to find the out of sequence \"letters\".

Let\

Answer 1

You can use the ASCII() function to convert a character to its ASCII value:

ASCII(Letter)