# Filtering and multi-database queries

**URL:** https://forum.datomic.com/t/filtering-and-multi-database-queries/481
**Category:** Client API
**Created:** [June 21, 2018, 1:12pm UTC](https://forum.datomic.com/t/filtering-and-multi-database-queries/481 "2018-06-21T13:12:02Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![dustingetz](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/dustingetz/32/56_2.png) [@dustingetz](https://forum.datomic.com/u/dustingetz)
#### Post date: [July 21, 2018, 1:38pm UTC](https://forum.datomic.com/t/filtering-and-multi-database-queries/481/5 "2018-07-21T13:38:21Z")

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@terjesb I was wrong about cross-db join in cloud, i believe it is not enabled right now. It’s my understanding from some informal conversations that the cross-db feature has some implementation difficulties wrt client vs ion.

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