Copy a MySQL Database to a new Server via SSH with one command Using ssh

This doesn't work as-is, at least for me it doesn't. If you define a new db name that is different from the original db name, it must first exist. Otherwise you can't give it as an argument to mysql to load data in from a script (or here from a pipe). On the other hand, if you want to use the same target database name as the source database name, you need to add "--databases" switch in order to include the "CREATE DATABASE" statement to the dump. Then you must not give NEW_DB_NAME as a parameter to the mysql command or else you get "ERROR 1049 (42000): Unknown database 'NEW_DB_NAME'" So either:

ssh -C user@newhost "mysql -uUSER -pPASS -e 'create database NEW_DB_NAME;'" && mysqldump --force --log-error=mysql_error.log -uUSER -pPASS OLD_DB_NAME | ssh -C user@remotehost "mysql -uUSER -pPASS NEW_DB_NAME"

or, to use the same db name for target as the source:

mysqldump --databases --force --log-error=/root/mysql_error.log -uUSER -pPASS OLD_DB_NAME | ssh -C user@newhost "mysql -uUSER -pPASS"

Also note that "--add-drop-table" and "--extended-insert" are rendundant since at least in 5.1 they're on by default; see an excerpt from 'man mysqldump' below: --- Some mysqldump options are shorthand for groups of other options. --opt and --compact fall into this category. For example, use of --opt is the same as specifying --add-drop-table --add-locks --create-options --disable-keys --extended-insert --lock-tables --quick --set-charset. Note that all of the options that --opt stands for also are on by default because --opt is on by default.

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