This documentation relates to CiviCRM version 2.2. It's not maintained anymore.
Current version of documentation.

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CiviCRM ERD 1.7

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This page refers to outdated version of CiviCRM. Check current version of documentation.


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CiviCRM 2.2 Documentation

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This ERD is contributed and maintained by Ben Vautier from http://www.sqlrecipes.com

Pictures have been updated for version 1.7


It is worth noting that some tables have a 'entity_table' and a 'entity_id' field, such as the 'civicrm_location' table. This allows multiple tables to have a relationship with 'civirm_location'. The 'entity_table' will store the name of the table name, such as 'civirm_contact' and the 'entity_id' field stores the 'id' of the entity contained in the referenced 'entity table'.
An example should clarify this (sourire) . Let's say we want to add a new location for contact_id 7. In the 'civicrm_location' table we would have 'entity_table' = 'civicrm_contact' and 'entity_id' = '7'.
This means that we can add a location to any entity contained in any table.

The picture below focuses on the "group" tables.
The "civicrm_contact" table is missing because it would be too messy to include it. However you can see it's relationship in the picture above.
The "civicrm_group_contact" is a child of "civicrm_contact".

This is a picture of the relationship between the civicrm_uf_* tables. The "uf" letters stand for "User Framework". The tables are used to manage 'users' from Drupal or Joomla with contacts in CiviCRM. The civicrm_uf_match is especially important as it stores the information that matches the contact_id with the user id (or uf_id) in Drupal or Joomla.

Contribution Tables

Custom Tables

Mailing List Tables

ACL Tables

Membership Tables

As many tables as possible

By now you should be able to work yourself around... hope it is not too confusing (sourire)

This ERD is contributed and maintained by Ben Vautier from http://www.sqlrecipes.com

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