MySQL :: MySQL 5.5 Reference Manual :: 2.11.1 Upgrading MySQL

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2.11.1 Upgrading MySQL

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2.11.1.1 Before You Begin
2.11.1.2 Upgrade Paths
2.11.1.3 Changes in MySQL 5.5
2.11.1.4 Upgrading MySQL Binary or Package-based Installations on Unix/Linux
2.11.1.5 Upgrade Troubleshooting

This section describes how to upgrade MySQL.

Note

In the following discussion, MySQL commands that must be run using a MySQL account with administrative privileges include -u root on the command line to specify the MySQL root user. Commands that require a password for root also include a -p option. Because -p is followed by no option value, such commands prompt for the password. Type the password when prompted and press Enter.

SQL statements can be executed using the mysql command-line client (connect as root to ensure that you have the necessary privileges).

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User Comments

User comments in this section are, as the name implies, provided by MySQL users. The MySQL documentation team is not responsible for, nor do they endorse, any of the information provided here.

Posted by Craig Manley on August 8, 2016

As part of the "Logical Upgrade", I had to add the --flush-privileges option when dumping because mysql didn't recognise the newly created users when restoring views. Additionally I added --triggers for completeness.
mysqldump --add-drop-table --routines --events --triggers --flush-privileges --all-databases --force -uroot -p > mysql_backup.sql

Furthermore, if you're using Debian linux, then you'll have to copy the password of the old debian-sys-maint user in /etc/mysql/debian.cnf to the new server, or login to mysql as root and replace the old password with the new one.