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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

emsmarcela
by Visitor
  • 33 Views
  • 0 replies
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Genie Space and App Error

I built an App with a chatbot which generates queries and accesses data through a Genie Space. When making questions in the chatbot now, I keep getting the following error in the Genie monitoring page: An error happened. Please try again later.We're ...

  • 33 Views
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primopragma
by New Contributor II
  • 385 Views
  • 6 replies
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Getting 'Unauthorized Access' when Serverless compute is trying to read s3 bucket data

Getting 'Unauthorized Access' when Serverless compute is trying to read s3 bucket data, same works fine with normal compute storage and external location, credentials, IAM policy and serverless egress rules all seems to be correct because normal comp...

  • 385 Views
  • 6 replies
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Latest Reply
primopragma
New Contributor II
  • 0 kudos

Just for the record, this still does not work. I spent some more time trying to debug this with Genie as well, and we landed on the conclusion that we can't do anything else on the Premium plan at least. If I had the Enterprise Plan, I could have tri...

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yit337
by Contributor
  • 46 Views
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What timezone is the “timestamp” value on a table's history?

Is it UTC, or the local zone of whoever accesses it?

  • 46 Views
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Latest Reply
szymon_dybczak
Esteemed Contributor III
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Hi  @yit337 , TIMESTAMP values are internally normalized and persisted in UTC, but they are displayed using the current session’s local timezone.Therefore, it is not based on the timezone of the person who originally performed the write. It depends o...

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APJESK
by Contributor
  • 83 Views
  • 1 replies
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Clarification on Auto Loader Managed File Events with Unity Catalog Managed Volumes

Hi Databricks Team,I'm trying to understand how Auto Loader Managed File Events work with Unity Catalog Managed Volumes, and I'm looking for some clarification.My understandingI create an External Location: CREATE EXTERNAL LOCATION app_ext_locURL 's3...

  • 83 Views
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @APJESK, I am wondering if the main source of confusion is the name cloudFiles.useManagedFileEvents. In the public docs, "managed" here refers to the Databricks-managed file-events service and cache layer, not to Unity Catalog managed volumes or t...

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None123
by New Contributor III
  • 13240 Views
  • 4 replies
  • 3 kudos

Open a Support Ticket

Anyone know how to submit a support ticket? I keep getting into a loop that takes me back to the community page, but I need to submit an urgent ticket. I'm told our company pays a ridiculous sum for this feature yet it is impossible to find.Thanks ...

  • 13240 Views
  • 4 replies
  • 3 kudos
Latest Reply
vermyas
Visitor
  • 3 kudos

Hello Databricks Support Team,We are currently using:databricks-sql-connector==4.3.0thrift==0.22.0Our organization's security scanning tool (Prisma) is flagging Thrift 0.22.0 and requires us to upgrade to a newer version (0.23.0 or later).As part of ...

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theanhdo
by New Contributor III
  • 70 Views
  • 0 replies
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Trunked-based development model for Databricks question

Hi there,My name is William Do (a senior engineer at Hub24, Australia). I am writing to seek for your advice on a Trunk-based development model that we are hoping to implement for our Databricks project.Problem statementTo give you some context, I am...

  • 70 Views
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animeshjain
by New Contributor II
  • 327 Views
  • 4 replies
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Bundle Validation Error: Volume lifecycle Field Rejected Despite Being in Schema

Environment:Bundle engine: directResource type: Volume (Unity Catalog)Problem:I'm trying to use the lifecycle field with prevent_destroy: true on a Unity Catalog volume resource in my Declarative Automation Bundle (DAB). the validation fails with:Err...

animeshjain_0-1783340968236.png animeshjain_1-1783340987403.png
  • 327 Views
  • 4 replies
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Latest Reply
balajij8
Contributor III
  • 0 kudos

Hi, The configuration is valid and the CLI version supports the lifecycle field. However, the error is most likely coming from outdated Databricks Python packages in your virtual environment at /home/animesh/datazone/.venv/. CLI uses the packages fro...

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JD18
by New Contributor
  • 2255 Views
  • 3 replies
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SCD-2 backfilling with streaming tabels

Hi there,Im new to Databricks and trying to build a SCD2 type table using AUTO CDC approach. while it quite simple to create a scd2 table Im unable to do a backfill.Full context.I have raw data(order, customer info) from 2019 and creating a dimension...

  • 2255 Views
  • 3 replies
  • 2 kudos
Latest Reply
SteveOstrowski
Databricks Employee
  • 2 kudos

Hi @JD18, Welcome to Databricks and Thanks for raising this. SCD Type 2 backfilling with streaming tables is a common need, and the good news is that the AUTO CDC framework (formerly APPLY CHANGES INTO) has built-in capabilities to handle this -- you...

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stravi001
by New Contributor
  • 394 Views
  • 5 replies
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Resolved! Permissions on job with SQL task

Hello,I am authenticated as GCP service account. I have to create query, run job as service principle and get result.I'm both cases, I set permissions CAN_MANAGE for group "users" for both query and job. When I create the query with RunAsMode.OWNER, ...

  • 394 Views
  • 5 replies
  • 1 kudos
Latest Reply
stravi001
New Contributor
  • 1 kudos

Hello @balajij8,I tried to use SQL File Task and was able to achieve the result. Only issue was, that I was not able to get output using WorkspaceClient.jobs.get_run_output(). It worked will direct call of /api/2.2/jobs/runs/get-output endpoint.Thank...

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emorgoch
by New Contributor III
  • 574 Views
  • 4 replies
  • 3 kudos

Resolved! Managing IPYNB cell timestamps in source control

We're in the process of converting over our Databricks notebooks from .py file to .ipynb. We have disabled storing notebook output in source control at the workspace level.However, what we're discovering is that every cell in our notebooks has 3 time...

emorgoch_0-1781635989625.png
  • 574 Views
  • 4 replies
  • 3 kudos
Latest Reply
Ashwin_DSA
Databricks Employee
  • 3 kudos

Hi @emorgoch, Thanks for raising this. This appears to be a regression rather than expected behaviour. Internally, the issue has been identified around .ipynb handling in Git folders, and the intended fix is to stop serialising these execution timest...

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hdu
by New Contributor III
  • 289 Views
  • 2 replies
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select table_changes() return unexpected results

Hi Folks,My understanding isSELECT *FROM table_changes('mytable', x)should return all changes from version x through the latest available version, regardless of when I run it. However what happen to me is:When immediately after a streaming table upda...

hdu_0-1783525115352.png
  • 289 Views
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Latest Reply
hdu
New Contributor III
  • 0 kudos

Thank you, Ashwin, for looking into my question.My table is appended whenever a new file arrives. Each file contains the same number of records (8,676), but with a different extraction date.Regarding the results of your query above, two additional fi...

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DazzaiDe
by New Contributor III
  • 179 Views
  • 1 replies
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Declarative Asset Bundle Service Principals best practices

I have 2 service principals for deployment and runtime like databricks suggested, since declarative asset bundles dont include delta tables creation what should i just let my runtime to create table on the first run of a specific job?I want the commu...

  • 179 Views
  • 1 replies
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Latest Reply
balajij8
Contributor III
  • 0 kudos

You can configure the runtime SP to create tables dynamically on the first run if you prioritize operational simplicity and self-contained pipelines. The data processing scripts inject CREATE TABLE IF NOT EXISTS statements just before executing Data ...

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deepak05
by Contributor
  • 44590 Views
  • 13 replies
  • 14 kudos

Resolved! I Got 70.00% on Databricks Certified Data Engineer Professional Exam but Failed....

Hi Everyone,Today I gave databricks exam for and I got 64 questions and my result was exactly 70.00%(As per databricks the pass percentage is 70 or above). but still the status was showing Failed and I couldn't get certified.Can you anyone help me on...

  • 44590 Views
  • 13 replies
  • 14 kudos
Latest Reply
fewasi
New Contributor
  • 14 kudos

That sounds really bad, especially since your score is exactly 70 percent. I would wait for the Databricks team to determine whether the issue is with scoring or reporting because you have already created a support ticket. Hopefully they can clarify ...

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rjcrystal786
by New Contributor
  • 248 Views
  • 1 replies
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Advanced Learning Festival (15 June - 06 July 2026) - Voucher Eligibility Confirmation

Hello @Jim ,I completed all four modules of Learning Pathway 1 (Associate Data Engineering) for the Advanced Learning Festival on July 6, 2026, the published end date of the event. My Academy account email is [datasci.patel.rupesh@gmail.com]. Screens...

  • 248 Views
  • 1 replies
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @rjcrystal786, Thanks for checking. Based on the published guidance for the Advanced Learning Festival, if all four modules in Learning Pathway 1 were completed within the event window, your 50% certification voucher will be sent to the email addr...

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