在打開(kāi)數(shù)據(jù)庫(kù)時(shí)客戶端提示“Cannot proceed because system tables used by Event Scheduler were found damaged at server start” 造成此原因是MySQL服務(wù)器的當(dāng)前版本不兼容所有數(shù)據(jù)庫(kù)的表 解決方法 1、linux、windows下解決方法類似 $PATH/mysql/bin/mysql_upgrade - u root -p 例如：/usr/local/mysql/bin/mysql_upgrade - u root -p? ???[回車輸入密碼即可] $PATH mysql安裝路徑 執(zhí)行完后停止mysqld后再重新啟動(dòng)mysqld一次，問(wèn)題即可解決。