SQL_NO_CACHE does not work

Question

The first time I run this sql, needs 39 seconds,when I run again and increase SQL_NO_CACHE,does not seem to take effect:

mysql> select count(*) from `deal         


        

Answer 1

1. see: http://forums.mysql.com/read.php?24,225286,225468#msg-225468
2. you could try RESET QUERY CACHE (you need the RELOAD privilege) although having just read the link above this will probably not work either :(