Returns the number of characters, not the number of bytes, of a specified string expression, excluding trailing blanks.
len(string_expression)
is the string expression to be evaluated.
Returns the characters
select len(notes) from titles where title_id = "PC9999" ----------- 39
This function is the equivalent of char_length(string_expression).
ANSI SQL – Compliance level: Transact-SQL extension.
Any user can execute len.
Datatypes char, nchar, varchar, or nvarchar
Functions char_length, left, str_replace
