# Many-to-Many Relationships

**URL:** <https://community.glideapps.com/t/many-to-many-relationships/2225>\
**Category:** Ask for Help\
**Created:** [November 20, 2019, 11:37pm UTC](https://community.glideapps.com/t/many-to-many-relationships/2225 "2019-11-20T23:37:17Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jonlutz79](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jonlutz79/32/55213_2.png) [@jonlutz79](https://community.glideapps.com/u/jonlutz79)\
**Post date:** [November 21, 2019, 10:53am UTC](https://community.glideapps.com/t/many-to-many-relationships/2225/3 "2019-11-21T10:53:53Z")

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I guess the main question I have with this whether or not it requires you to add the columns with the special syntax manually in the sheet. For example, do I need to add a column called “Events=Drills:Event:Multiple” & “Drills 1”, “Drills 2”, “Drills 3”, etc.?

The other question I have once I get this set up correctly is is it possible to allow the app user the ability to add or remove relationship from an item (i.e. add/remove drills from an event)?

Thanks so much for your help. These are the only 2 questions keeping me from doing some really cool things with this platform. Overall I absolutely love it, but this many-to-many relationship setup is a bit confusing to say the least.

![](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/2X/e/e8ac224ba9ee97e87670ed6f3a2f0128b7af9fe4.gif)

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