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Difference between revisions of "Database Table Prefix"

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The database table prefix is a string (a few characters long) prepended to the name of Joomla!'s [[tables]]. Using a prefix enables you to run multiple installations of Joomla! using a single database.
 
The database table prefix is a string (a few characters long) prepended to the name of Joomla!'s [[tables]]. Using a prefix enables you to run multiple installations of Joomla! using a single database.
  
The database table prefix can be set during installation. Changing it later is possible, but requires access to the database through a non-Joomla medium and will cause some downtime.
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The database table prefix can be set during installation. Changing it later is possible, but requires access to the database through a non-Joomla medium or a Joomla Extension such as Akeeba Admin Tools and will cause some downtime.
  
 
[[Extension]] developers need to use the string <code>#__</code> to represent the prefix. This will be replaced by the real prefix during runtime by Joomla.<noinclude>[[Category:Glossary definitions|{{PAGENAME}}]]</noinclude>
 
[[Extension]] developers need to use the string <code>#__</code> to represent the prefix. This will be replaced by the real prefix during runtime by Joomla.<noinclude>[[Category:Glossary definitions|{{PAGENAME}}]]</noinclude>

Revision as of 18:05, 5 September 2013

The database table prefix is a string (a few characters long) prepended to the name of Joomla!'s tables. Using a prefix enables you to run multiple installations of Joomla! using a single database.

The database table prefix can be set during installation. Changing it later is possible, but requires access to the database through a non-Joomla medium or a Joomla Extension such as Akeeba Admin Tools and will cause some downtime.

Extension developers need to use the string #__ to represent the prefix. This will be replaced by the real prefix during runtime by Joomla.