How To Duplicate Entire MySQL Database From Command Line is a frequently asked question as we often need to backup the database or restore the database quickly. In this short guide on How To Duplicate Entire MySQL Database From Command Line, we are giving example with Rackspace Cloud Server. It will definitely work with any other standard webhost.
How To Duplicate Entire MySQL Database From Command Line : What Can Be done ?
In this guide How To Duplicate Entire MySQL Database From Command Line, we will not only show the commands to backup or duplicate database of any web software or blogging software like WordPress, but also to pipe the output into another mysql command to import it into a different database or to and from localhost to server.
The major advantage is – there is no practical limit of import or export size of database, where as in PHPMyAdmin, there is a limit.
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How To Duplicate Entire MySQL Database From Command Line
If you have used the classic way to Install WordPress on Rackspace Cloud Server or any server (there is also video guide for Installing WordPress on Rackspace Cloud Server in this way) or have ssh access with any control panel, then you can use these methods.
Simple way :
First, ssh to your server and login to MySQL. Create a database where you will duplicate it, take the name of the duplicate database is database2 :
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CREATE DATABASE database2; |
Run this after changing with real values, databasename is the original database :
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mysqldump -u admin -p databasename | mysql -u backup -p password database2; |
Import it into a different database (mysqldump and pipe the output)
Again, create a database. This is another method, do not run all these on the same database !
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mysqldump --add-drop-table -u databasename -p databasename | mysql -u databasename -p database2 |
mysqldump command is used to create textfile œdumps of databases managed by MySQL :
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mysqldump database_name > database_name.sql |
Actually this is the principle :
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mysqldump --databases database_1 database_2 > two_databases.sql |
Restore :
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mysql database_2 > database_1.sql |
Copy to localhost / local computer :
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mysqldump originaldatabasename | mysql nameddatabasewherewillbecopied |
Copy to Server via SSH :
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mysqldump originaldatabase | ssh hostname "mysql seconddtabase" |
2 years back, we usually used to post these kind of small things. For a reason, those days came in mind. Just such a bundle of handy commands.
Note : We had some odd errors within pre blocks which we knew after 4 years. Readers are requested to kindly report us any type odd error on this website to help the others.
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