servicemysqlstart出错，mysql启动不了，解决mysql:unrecognizedservice错误的方法如下： [root@ctohome.com~]#servicemysqlstart mysql:unrecognizedservice [root@ctohome.com~]#servicemysqlrestart mysql:unrecognizedservice [ro... [查看详细]

selectarticle.id,titie,(selectcount(*)fromcommentwherearticle.id=comment.id)asplfromarticleorderbypldesc; [查看详细]