摘要:
1.由来:暴力重启了MySQL所在服务器(正常先停MySQL服务,再重启),导致启动的时候报错Starting MySQL.... ERROR! The server quit without updating PID file (/var/run/mysqld/mysqld.pid)【即Can't 阅读全文
摘要:
SELECT CURDATE() AS '时间' (CASE WHEN Days=0 THEN '0' WHEN 1<=Days AND Days<=15 THEN '1-15' WHEN 16<=Days AND Days<=30 THEN '16-30' WHEN 31<=Days AND Days<=60 THEN '31-60' WHEN 61<=Days AND Days<=90 THE 阅读全文