小编Ugu*_*zer的帖子

执行下面的查询时面临"在查询期间丢失与MySQL服务器的连接"错误.我该怎么解决？

SELECT * 
FROM firmalar,
     musterisahipleri,
     notlar 
WHERE firmalar.firmaID NOT IN (
       SELECT m2.firmaID 
       FROM notlar AS n2,
            musterisahipleri AS m2
       WHERE n2.eklemeTarihi > '2013-03-24'
   ) 
   AND musterisahipleri.firmaID = firmalar.firmaID 
   AND notlar.ilgiliID = musterisahipleri.userID;

谢谢你的帮助