Title: Multiple databases
Last modified: August 24, 2019

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# Multiple databases

 *  [teebark](https://wordpress.org/support/users/teebark/)
 * (@teebark)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/multiple-databases-15/)
 * I want to add a mailchimp database to my existing participants database (venues),
   but there are no common fields. Do i need to create a dummy group, just so I 
   have a type field? I don’t need to worry about reg forms, as I’ll make all changes
   in admin.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fmultiple-databases-15%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [Roland Barker](https://wordpress.org/support/users/xnau/)
 * (@xnau)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/multiple-databases-15/#post-11865434)
 * You can do it, and it will help a lot to have each type of record have its fields
   organized into its own set of groups. You just have to remember to filter the
   lists whenever you work with the records so that you are only showing records
   of a single type.
 * You must use a field that identifies the type of record, you can’t set up a split
   database with groups alone. This is because it is not possible to filter by group:
   you can only filter by field value.
 *  Thread Starter [teebark](https://wordpress.org/support/users/teebark/)
 * (@teebark)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/multiple-databases-15/#post-11876973)
 * Got it. To list the 2nd database, I added a db_group field for the type, and 
   I can retrieve the data with this shortcode:
    `[pdb_list filter="db_group=directory"
   fields="d_last_name, d_first_name, d_email, d_home_phone"]` where the ‘d_’ prefixes
   are the 2nd database fields.

Viewing 2 replies - 1 through 2 (of 2 total)

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## Tags

 * [multiple](https://wordpress.org/support/topic-tag/multiple/)

 * 2 replies
 * 2 participants
 * Last reply from: [teebark](https://wordpress.org/support/users/teebark/)
 * Last activity: [6 years, 9 months ago](https://wordpress.org/support/topic/multiple-databases-15/#post-11876973)
 * Status: not resolved