Title: EXTRA Documentation
Last modified: March 3, 2021

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# EXTRA Documentation

 *  [carlrgates](https://wordpress.org/support/users/carlrgates/)
 * (@carlrgates)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/extra-documentation/)
 * Is there a link showing how to use and what are valid parameters for the “EXTRA”
   column on Data Designer page. I found “auto_increment”, are there more and can
   you use multiple entries?

Viewing 1 replies (of 1 total)

 *  Plugin Author [Passionate Programmer Peter](https://wordpress.org/support/users/peterschulznl/)
 * (@peterschulznl)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/extra-documentation/#post-14136358)
 * Hi [@carlrgates](https://wordpress.org/support/users/carlrgates/),
 * The value entered in column extra is stored in column:
    information_schema.columns.
   extra
 * Examples are:
    auto_increment on update current_timestamp on insert current_timestamp
   default_generated virtual_generated
 * Hope this helps,
    Peter

Viewing 1 replies (of 1 total)

The topic ‘EXTRA Documentation’ is closed to new replies.

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## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [Passionate Programmer Peter](https://wordpress.org/support/users/peterschulznl/)
 * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/extra-documentation/#post-14136358)
 * Status: not resolved