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PSA: Community Edition retires on January 1, 2026. Move to the Free Edition today to keep your work.

Databricks Free Edition is the new home for personal learning and exploration on Databricks. It’s perpetually free and built on modern Databricks - the same Data Intelligence Platform used by professionals. Free Edition lets you learn professional da...

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2 weeks ago
🎤 Call for Presentations: Data + AI Summit 2026 is Open!

June 15–18, 2026 Are you building the future with data and AI? Then this is your moment. The Call for Proposals for Data + AI Summit 2026 is officially open, and we want to hear from builders, practitioners, and innovators across the data and AI com...

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2 weeks ago
Last Chance: Help Shape the 2026 Data + AI Summit | Win a Full Conference Pass

Your voice matters to us. We are planning the 2026 Data + AI Summit, and we’d love your input on what would make the experience even more valuable for you. Take a few minutes to share your feedback through our quick survey — your insights directly in...

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2 weeks ago
Level Up with Databricks Specialist Sessions

How to Register & Prepare If you're interested in advancing your skills with Databricks through a Specialist Session, here's a clear guide on how to register and what free courses you can take to prepare effectively. How to Begin Your Learning Path S...

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10-02-2025
Celebrating Our First Brickster Champion: Louis Frolio

Our Champion program has always celebrated the customers who go above and beyond to engage, help others, and uplift the Community. Recently, we have seen remarkable participation from Bricksters as well—and their impact deserves recognition too. Begi...

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11-21-2025
🌟 Community Pulse: Your Weekly Roundup! December 12 – 21, 2025

Learning doesn’t pause, and neither does the impact this Community continues to create!Across threads and time zones, the knowledge kept moving. Catch up on the highlights   Voices Shaping the Week        Featuring the voices that brought clarity, ...

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Tuesday

Community Activity

hnnhhnnh
by > New Contributor II
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Title: How to handle type widening (int→bigint) in DLT streaming tables without dropping the table

SetupBronze source table (external to DLT, CDF & type widening enabled):# Source table properties:# delta.enableChangeDataFeed: "true"# delta.enableDeletionVectors: "true"# delta.enableTypeWidening: "true"# delta.minReaderVersion: "3"# delta.minWrite...

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joseph_in_sf
by > New Contributor III
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Version 1.1: Data Isolation and Governance within PySpark DataFrame's

See the comments below for a runnable notebookThroughout my career I have worked at several companies that handle sensitive data; including PII, PHI, EMR, HIPPA, Class I/II/III FOMC - Internal (FR). One entity I worked at even required a Department O...

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Hubert-Dudek
by Databricks MVP
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Flexible Node Types

Recently, it has not only become difficult to get a quota in some regions, but even if you have one, it doesn't mean that there are available VMs. Even if you have a quota, you may need to move your bundles to a different subscription when different ...

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mukul1409
by > Visitor
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Iceberg interoperability between Databricks and external catalogs

I would like to understand the current approach for Iceberg interoperability in Databricks. Databricks supports Iceberg using Unity Catalog, but many teams also use Iceberg tables managed outside Databricks. Are there recommended patterns today for s...

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Sunil_Patidar
by > New Contributor II
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Unable to read from or write to Snowflake Open Catalog via Databricks

I have Snowflake Iceberg tables whose metadata is stored in Snowflake Open Catalog. I am trying to read these tables from the Open Catalog and write back to the Open Catalog using Databricks.I have explored the available documentation but haven’t bee...

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Latest Reply
mukul1409
Visitor
  • 1 kudos

Databricks does not currently provide official support to read from or write to Snowflake Open Catalog. Although Snowflake Open Catalog is compatible with the Iceberg REST catalog and open source Spark can work with it, this integration is not suppor...

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2 More Replies
Loinguyen318
by > New Contributor II
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Resolved! Public DBFS root is disabled in Databricks free edition

I am using notebook to execute a sample spark to write delta table in dbfs using free edition. However, I face an issue, that I can not access the public DBFS after the code executed.The spark code such as:data = spark.range(0, 5)data.write.format("d...

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Latest Reply
mukul1409
Visitor
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Yes ,  use UCVolumes instead of DBFS. As Databricks moves toward a serverless architecture, DBFS access is being increasingly restricted and is not intended for long term or production usage. UC Volumes are a better choice than DBFS.

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Yogesh_Verma_
by > Contributor II
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Meta Ads is now a native data source in Databricks Lakeflow Connect

Meta Ads is now a native data source in DatabricksDatabricks just announced a Meta Ads connector (Beta) powered by Lakeflow Connect, making it easy to ingest advertising data directly into Databricks—no custom APIs, no CSV exports, no brittle scripts...

Yogesh_Verma__0-1766916082806.png
  • 39 Views
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Latest Reply
mukul1409
Visitor
  • 2 kudos

Great update :  this is a big win for analytics teams.The new Meta Ads native connector (Beta) in Databricks, powered by Lakeflow Connect, significantly reduces the operational burden that typically comes with ad-tech ingestion.Excited to see Lakeflo...

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APJESK
by > New Contributor III
  • 378 Views
  • 5 replies
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Resolved! Can anyone share Databricks security model documentation or best practice references

Can anyone share Databricks security model documentation or best-practice references

  • 378 Views
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Latest Reply
mukul1409
Visitor
  • 4 kudos

Sharing a few official Databricks security model and best-practice references that are widely used across enterprise implementations: Core Databricks Security ModelDatabricks Account & Workspace ArchitectureCovers account-level isolation, workspace b...

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4 More Replies
NadithK
by > Contributor
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Removing ADLS Gen 2 path (metastore root) in Unity Catalog Metastore

In my organization, we are using Databricks unity catalog and we have a metastore created for our region which holds all of our workspaces. When we created the metastore last year, we set a metastore root location for it (If I remember correctly, met...

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Latest Reply
Shivam7788775
New Contributor III
  • 0 kudos

In Databricks Unity Catalog, you’re right that you cannot simply “unset” the metastore root in place the way you would change a catalog setting. Historically, once a metastore root was defined, it stayed attached to the metastore.However, there is no...

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6 More Replies
willdatabricks
by Databricks Employee
  • 1227 Views
  • 1 replies
  • 4 kudos

PSA: Community Edition retires on January 1, 2026. Move to the Free Edition today to keep your work.

Databricks Free Edition is the new home for personal learning and exploration on Databricks. It’s perpetually free and built on modern Databricks - the same Data Intelligence Platform used by professionals. Free Edition lets you learn professional da...

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  • 1 replies
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Latest Reply
Yogesh_Verma_
Contributor II
  • 4 kudos

Thanks for Important information

  • 4 kudos
kasinathanrames
by > New Contributor II
  • 12608 Views
  • 21 replies
  • 18 kudos

Free Certification voucher

looking for free certification voucher

  • 12608 Views
  • 21 replies
  • 18 kudos
Latest Reply
Advika
Community Manager
  • 18 kudos

Hello @udaykant3331 & @DavidClamp! Databricks offers 50% certification vouchers during its Learning Festival events.The upcoming Learning Festival is scheduled for January 9 – 30, 2026, where you can earn a discount voucher.You can find more details ...

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20 More Replies
Hubert-Dudek
by Databricks MVP
  • 76 Views
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DABs: Referencing Your Resources

From hardcoded IDs, through lookups, to finally referencing resources. I think almost everyone, including me, wants to go through such a journey with Databricks Asset Bundles. #databricks In the article below, I am looking at how to reference a resou...

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Senga98
by > Contributor
  • 327 Views
  • 2 replies
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Resolved! SQL Warehouse and Unity Catalog

Hello,Is SQL warehouses managed by Unity Catalog? My understanding is that since SQL Warehouse is part of the compute layer, Unity Catalog doesn't manage it as it only manages data layers.

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Latest Reply
Shivam7788775
New Contributor III
  • 1 kudos

@Senga98 SQL warehouses themselves are not governed by Unity Catalog, since they belong to the compute layer rather than the data layer. Unity Catalog focuses on managing data assets and how access to those assets is controlled, not on managing compu...

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1 More Replies
excavator-matt
by > Contributor
  • 316 Views
  • 3 replies
  • 1 kudos

Resolved! How do I grant access to find a table in Databricks, without giving access to query the table?

Hi!By default it seems users can only see tables and views in Unity Catalog that they have SELECT permission/privilege on. However, we would like to use Unity Catalog as a data catalog of tables we have. They wouldn't then be able to request access t...

Data Governance
browse
permission
privilege
Unity Catalog
  • 316 Views
  • 3 replies
  • 1 kudos
Latest Reply
Shivam7788775
New Contributor III
  • 1 kudos

@excavator-matt to make tables and views discoverable without exposing their data, you should use the BROWSE privilege at the catalog level.Granting BROWSE on a catalog (for example to the All-account users' group) allows users to view metadata acros...

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2 More Replies
Suheb
by > Contributor
  • 195 Views
  • 3 replies
  • 1 kudos

What are the practical differences between bagging and boosting algorithms?

How are bagging and boosting different when you use them in real machine-learning projects?

  • 195 Views
  • 3 replies
  • 1 kudos
Latest Reply
jameswood32
Contributor
  • 1 kudos

The practical differences between bagging and boosting mostly come down to how they build models and how they handle errors:Model Training Approach:Bagging (Bootstrap Aggregating): Builds multiple models in parallel using random subsets of the data. ...

  • 1 kudos
2 More Replies
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