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Editorial Team
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Asked: 2026-06-15T13:11:53+00:00

I am somewhat newbie for linux, still learning. Today I needed to duplicate a

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I am somewhat newbie for linux, still learning.

Today I needed to duplicate a database into production environment.. To do this, I used the command

(uiserver):u70486952:~ > mysqldump -h host -u user --password=mypassword dbname > mysql -h host2 -u user2 --password=mypassword dbname2

This command, while looking ok to me did not work and it threw an error.

mysqldump: Got error: 1044: Access denied for user 'user'@'%' to database 'dbname' when selecting the database

Doing this alone (without the > after the command) worked.
I solved this using a pipe character instead of > (more than).

Can someone explain why it showed an errror? I am very curious.

Thank you

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1 Answer

  1. Editorial Team

    Redirection can be performed anywhere in a command, and only the very next word is used as the filename; anything else on the command line is passed as arguments to the command. That is,

    mysqldump -h host -u user --password=mypassword dbname > mysql -h host2 -u user2 --password=mypassword dbname2

    is equivalent to

    mysqldump -h host -u user --password=mypassword dbname -h host2 -u user2 --password=mypassword dbname2 > mysql
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