How to count instances of character in SQL Column

Question

I have an sql column that is a string of 100 \'Y\' or \'N\' characters. For example:

YYNYNYYNNNYYNY...

What is the easiest way

Answer 1

Maybe something like this...

SELECT
    LEN(REPLACE(ColumnName, 'N', '')) as NumberOfYs
FROM
    SomeTable