SQL Server/T-SQL Tutorial/String Functions/UNICODE function

Returning Integer Unicode Values

4>
5> SELECT UNICODE("G"), UNICODE("o"), UNICODE("o"), UNICODE("d"), UNICODE("!")
6> GO
----------- ----------- ----------- ----------- -----------
         71         111         111         100          33
(1 rows affected)

UNICODE Returns the integer Unicode value of a single leftmost character in a string

4> SELECT UNICODE("sqle www.sqle.ru")
5> GO
-----------
        106
(1 rows affected)