|26.4.6.Using mysqldump to copy databases|
It is possible to combine a dump and a restore on one line by using a pipe '|' to pass the output of the dump directly to mysql basically bypassing the file.
We can use this method to copy a database to another server or even create a duplicate copy.
For example to copy the 'myDatabase' database to a mysql server called 'remote.server.com':
c:\mysql\bin\mysqldump -u root -p --databases myDatabase | \
> mysql -u backup -p MyPassword -h remote.server.com
The "\" at the end of the first line means you wish to contine the command on another line before executing it.