# External database schema has new changes - what to do?

**URL:** <https://community.nocodb.com/t/external-database-schema-has-new-changes-what-to-do/880>\
**Category:** Self-Host\
**Created:** [September 19, 2023, 7:58am UTC](https://community.nocodb.com/t/external-database-schema-has-new-changes-what-to-do/880 "2023-09-19T07:58:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Anupama\_103387](https://avatars.discourse-cdn.com/v4/letter/a/f05b48/32.png) [@Anupama\_103387](https://community.nocodb.com/u/Anupama_103387)\
**Post date:** [September 19, 2023, 7:58am UTC](https://community.nocodb.com/t/external-database-schema-has-new-changes-what-to-do/880/1 "2023-09-19T07:58:15Z")

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External database connected but some tables not sync ? why

 ![image](https://canada1.discourse-cdn.com/flex011/uploads/nocodb/original/1X/b2bc77712c32bb96bd184e09420d4c156e276aa4.png)

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**Author:** ![Navi](https://avatars.discourse-cdn.com/v4/letter/n/3be4f8/32.png) [@Navi](https://community.nocodb.com/u/Navi)\
**Post date:** [October 22, 2023, 1:46pm UTC](https://community.nocodb.com/t/external-database-schema-has-new-changes-what-to-do/880/2 "2023-10-22T13:46:51Z")

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If your external database is out of sync - you should probably try [syncing metadata](https://docs.nocodb.com/data-sources/sync-with-data-source/).