Hi,
MySQL seems to be able to JOIN columns with different types, e.g., one column type is int; the other type is varchar. My question is: how badly does that affect the join performance even though both columns are indexed.
Thanks!
Qunfeng
-- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
