I've got a users table and a votes table. The votes table stores votes toward other users. And for better or worse, a single row in the votes table, stores the votes in both directions between the two users.I've got a users table and a votes table. The v
阅读背景：
严重的MySQL性能问题（联接，临时表，文件...）
来源：互联网
分享到：
