magento database

i need found in magento database info开发者_开发技巧rmation about users: description , status (login or not). Where i can find this information in data base?

Thanks

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Magento uses an EAV structure so finding information can be tricky.

There is a slightly out-of-date but useful overview diagram here: http://inchoo.net/wp-content/uploads/2008/10/magento_v116-database_diagram.pdf

To answer part of your question, I don't think Magento stores the login status in the database, that would be stored in the session. Other details like description/username will be in one of the entity value tables.

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Here's a good tutorial I found about EAV in Magento:

http://fishpig.co.uk/2010/06/07/magento-database-structure-eav/

You can also see a diagram of the Magento database by Googling Magento Database.