Difference between revisions of "MySQL/migration"

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[[Category:Techniques]]
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==About==
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K, here's how I do it:
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This subpage is about migrating data between [[MySQL]] databases, i.e. backing up data to independent files, and restoring the data from those files back into a database
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==Backing up==
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#Make sure you've got [http://www.phpmyadmin.net PHPMyAdmin] running
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There is a choice of tools for doing this.
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and that's all happy. I won't cover this part here as it varies with
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* [[Beekeeper Studio]], but only the paid versions
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your set up.
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* [[mysqldump]] (command-line)
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#Login and choose '''Export''' from the main page
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* [[MySQL Workbench]] (GUI utility)
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#Leave most of the default options. Specifically,
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* [[PHPMyAdmin]] (web-based)
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#*Format: SQL
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* '''obsolete''':
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#*Select the database(s) you want in the listbox
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** [[MySQL Admin]] (GUI utility) - this has been replaced by [[MySQL Workbench]]
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#*etc.
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==Related Resources==
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#Checkmark 'Add DROP TABLE'. This will make sure that when you restore
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* [https://sourceforge.net/projects/automysqlbackup/ AutoMySQLBackup] ([https://web.archive.org/web/20081218005549/http://members.lycos.co.uk/wipe_out/automysqlbackup/ origin story])
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from a backup, it will delete existing tables before restoring from the
 
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backed up ones.
 
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#Checkmark 'Save to file' at the bottom, or it will just dump it to
 
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your browser window, and that's no fun.
 
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#*You probably also want to use compression. These won't be huge files,
 
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but a 1.5mb database compresses to about 150kb. So, y'know, whatever.
 
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Wiggy recommends BZIP.
 
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#Click '''Go'''.
 
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==Restoring from backup==
 
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''I'm writing this from memory, so I might be wrong, but I '''think'''
 
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it's right.''
 
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#Click '''Databases''' from the PHPMyAdmin main page
 
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#Click the name of your databse (it should already exist; have you
 
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[re]installed [http://www.mediawiki.org MediaWiki] yet? Do that first.)
 
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#Click the '''SQL''' tab
 
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#Where it says '''Location of textfile:''', browse to your latest
 
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backup, then click '''Go'''.
 
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Good luck :E
 

Latest revision as of 16:33, 4 November 2024

About

This subpage is about migrating data between MySQL databases, i.e. backing up data to independent files, and restoring the data from those files back into a database

There is a choice of tools for doing this.

Related Resources

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