mysql升级小结和mysql_upgrade的用途

1 源端备份 innobackupex --host=localhost --user=backup --password='VfvVunpnwVHEcAY4JMwW' --slave-info --safe-slave-backup --defaults-file=/etc/my.cnf /home/admin/mysql_backup/sunyu 2 scp .. 3 目标端应用apply-l

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