String Functions(T-SQL)
The numbers of string functions for sql server 2008(R2) are 23.
1) int ASCII(Char|varchar) : Returns the ASCII code value of the leftmost character of a character expression.
2) char(1) Char(integer_expression) : Converts an int ASCII code to a character
integer_expression: '3' and 3 are treated as same.
3) ... (Undone)