Databricks Community

Sergecom

Hi,We’re currently running a Databricks installation with an on-premises HDFS file system. As we’re looking to adopt Unity Catalog, we’ve realized that our current HDFS setup has limited support and compatibility with Unity Catalog.Our requirement: W...

Sergecom · 04-29-2025

Hi everyone,We work with sensitive data in Databricks, so it's crucial from both security and regulatory perspectives to purge all data saved in notebook revisions.Currently, there are two manual methods:Delete all history from each notebook individu...

Sergecom · 03-20-2025

Can someone explain to me how this is possible?

Sergecom

Thanks very much for your detailed response — this is really helpful.You mentioned client cases where organizations have migrated from on-premises HDFS into the Databricks Unity Catalog, I’d love to learn more about those.If possible, could you share...

Sergecom · 03-25-2025

@Shua42 I've realized that I didn’t mention the subquery issue in my first post, so I guess this can be handled as a separate ticket.

Sergecom · 03-24-2025

Hi @Shua42 I can confirm that the EXISTS/NOT EXISTS query is working as expected now in the 15.4 LTS . Thank you for fixing it so quickly!But the subquery issue still NOT fixed. Before I was getting two rows (that is incorrect). Now I'm getting an er...

Sergecom · 03-21-2025

Thanks for feedback @MarcoI've also tested with an older All-purpose Runtime 12.2 LTS and it works.But its alarming that the latest runtime does not work as expected.I will post SQL code so it will be easier for other to test. Both these queries give...

Sergecom · 03-20-2025

Thanks for the update! Let me know if you need any more details from my side—happy to help.Is there any way to follow this ticket @Shua42 ?

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Migrating from on-premises HDFS to Unity Catalog - Looking for advice on on-prem options

Automating Purging of All Notebook Revision

Databricks SQL Exists does not work correct?

Re: Migrating from on-premises HDFS to Unity Catalog - Looking for advice on on-prem options

Re: Databricks SQL Exists does not work correct?

Re: Databricks SQL Exists does not work correct?

Re: Databricks SQL Exists does not work correct?

Re: Databricks SQL Exists does not work correct?