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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

nhuthao
by New Contributor II
  • 977 Views
  • 5 replies
  • 1 kudos

SQL is not enabled

Hi All,I have registered on Databricks successfully. However, SQL is not enabled.Please help me how to activate SQL.Thank you very much,

nhuthao_0-1741243500074.png
  • 977 Views
  • 5 replies
  • 1 kudos
Latest Reply
Stefan-Koch
Valued Contributor II
  • 1 kudos

@nhuthao How did you solved it? What was the problem?

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4 More Replies
cgrant
by Databricks Employee
  • 17905 Views
  • 3 replies
  • 4 kudos

What is the difference between OPTIMIZE and Auto Optimize?

I see that Delta Lake has an OPTIMIZE command and also table properties for Auto Optimize. What are the differences between these and when should I use one over the other?

  • 17905 Views
  • 3 replies
  • 4 kudos
Latest Reply
basit
New Contributor II
  • 4 kudos

Is this still valid answer in 2025 ? https://docs.databricks.com/aws/en/delta/tune-file-size#auto-compaction-for-delta-lake-on-databricks 

  • 4 kudos
2 More Replies
ShivangiB
by New Contributor III
  • 1326 Views
  • 2 replies
  • 0 kudos

Resolved! Fatctors deciding to choose between zorder, partitioning and liquid clustering

What are the factors on which we should choose the optimization approach

  • 1326 Views
  • 2 replies
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Latest Reply
canadiandataguy
New Contributor III
  • 0 kudos

I have built a decision tree on how to think about it https://www.canadiandataguy.com/p/optimizing-delta-lake-tables-liquid?triedRedirect=true

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Avinash_Narala
by Valued Contributor II
  • 9721 Views
  • 2 replies
  • 1 kudos

Resolved! Liquid clustering vs partitioning

Hi,Is liquid clustering a replacement to partitioning?should we use still partitioning when we use liquid clustering?Can we use liquid clustering for all cases and ignore partitioning?

  • 9721 Views
  • 2 replies
  • 1 kudos
Latest Reply
canadiandataguy
New Contributor III
  • 1 kudos

I have built a decision tree on how to think about it https://www.canadiandataguy.com/p/optimizing-delta-lake-tables-liquid?triedRedirect=true

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shubhamM
by New Contributor II
  • 1616 Views
  • 4 replies
  • 2 kudos

Resolved! Databricks File Trigger Limit

For Databricks File Trigger below limitation is mentioned.A storage location configured for a file arrival trigger can contain only up to 10,000 files. Locations with more files cannot be monitored for new file arrivals. If the configured storage loc...

  • 1616 Views
  • 4 replies
  • 2 kudos
Latest Reply
Walter_C
Databricks Employee
  • 2 kudos

Your approach to managing the number of BLOBs in your Azure BLOB storage by moving older files to an archive directory is reasonable and can help ensure you do not exceed the 10,000 file limit in the monitored directories. This method will help keep ...

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3 More Replies
AbkSpl
by New Contributor III
  • 14052 Views
  • 8 replies
  • 6 kudos

Resolved! Making a connection to the tables in Dynamics app through the dataverse TDS endpoint

I wish to do some analysis on tables that are stored in dataverse in databricks. I know that PowerBi uses its Dataverse connector to fetch the data using a Dataverse's TDS endpoint. The tables that we import in PowerBi using this connector is nearly ...

  • 14052 Views
  • 8 replies
  • 6 kudos
Latest Reply
NavinW
New Contributor II
  • 6 kudos

Did you manage to connect to dataverse from Databricks ?I am trying to do the same but no luck.,

  • 6 kudos
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jeremy98
by Honored Contributor
  • 5610 Views
  • 6 replies
  • 3 kudos

Best practice on how to create a configuration yaml files for each workspace environment based?

Hi Community,My team and I are working on refactoring our DAB repository, and we’re considering creating a configuration folder based on our environments—Dev, Staging, and Production workspaces.What would be a common and best practice for structuring...

  • 5610 Views
  • 6 replies
  • 3 kudos
Latest Reply
koji_kawamura
Databricks Employee
  • 3 kudos

Hi @jeremy98 and all, I agree with @saurabh18cs . Having configuration files for each deployment target is a very convenient and manageable solution. Since I couldn't find a plain example showing the project structure, I created one here. https://git...

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jeremy98
by Honored Contributor
  • 1301 Views
  • 2 replies
  • 1 kudos

Resolved! how to get schedule information about a job in databricks?

Hi community,I was reading the Databricks API documentation and I want to get information about one job if this is schedule with the status PAUSED or UNPAUSED. I was watching that there is this api call: https://docs.databricks.com/api/workspace/jobs...

  • 1301 Views
  • 2 replies
  • 1 kudos
Latest Reply
KaranamS
Contributor III
  • 1 kudos

Hi @jeremy98 , It looks like the access token is incorrect or not valid. Can you please verify the following?1. Validate your access token - if you get 403 forbidden error, your access token is invalid.curl -X GET "https://<workspace_host>/api/2.2/jo...

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antr
by New Contributor II
  • 2086 Views
  • 3 replies
  • 0 kudos

DLT full refresh and resets

When doing a full refresh in DLT, the ables seem to be in a reset/empty state until they're populated again. This can break downstream dependencies, if they try to use the data during pipeline execution.How to handle such case properly?

  • 2086 Views
  • 3 replies
  • 0 kudos
Latest Reply
Advika
Databricks Employee
  • 0 kudos

Hello @antr! In DLT, a full refresh on a streaming table resets state processing and checkpoint data, potentially disrupting downstream processes that rely on it. To avoid this, use incremental updates (default) or append mode instead of full refresh...

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Shivap
by New Contributor III
  • 674 Views
  • 3 replies
  • 0 kudos

Need to extract data from delta tables and need to move it to on-prem, what's the best approach

I want to extract data from databricks delta tables and need to move it to on-prem what's the best way to accomplish it -

  • 674 Views
  • 3 replies
  • 0 kudos
Latest Reply
Stefan-Koch
Valued Contributor II
  • 0 kudos

An easy way to do is to use Airbyte. You can run Airbyte locally, connect to databricks and copy the data to your OnPrem location.https://docs.airbyte.com/integrations/destinations/databricks

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Rasputin312
by New Contributor II
  • 1302 Views
  • 1 replies
  • 1 kudos

Resolved! Widgets Not Displaying

I am trying to run this attention visualization in my Databricks notebook.   This is my code and this is the error I get:```from IPython.display import display, Javascriptimport ipywidgets as widgetsfrom ipywidgets import interactfrom transformers im...

  • 1302 Views
  • 1 replies
  • 1 kudos
Latest Reply
koji_kawamura
Databricks Employee
  • 1 kudos

Hi @Rasputin312 ! I was able to render the visualization with bertviz library. The default moview_view html_action is view that does not work with Databricks notebook. Instead, using the returned HTML, we can visualize the model. display(model_view(a...

  • 1 kudos
Kayla
by Valued Contributor II
  • 863 Views
  • 2 replies
  • 2 kudos

Resolved! Scheduled Workflow options and DST Change

So, I have a workflow that runs 2:35 am daily.Is there really no way to configure that so it isn't completely skipped during the spring time change?

  • 863 Views
  • 2 replies
  • 2 kudos
Latest Reply
ashraf1395
Honored Contributor
  • 2 kudos

Hi @Kayla ,i suggest best solution would be to use UTC. Even databricks recommends that.Or shifting the job 30mins - 1 hr

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ramy
by New Contributor II
  • 5414 Views
  • 5 replies
  • 2 kudos

Getting JOB-ID dynamically to create another job to refer as job-task

I am trying to create a new job in Databricks Asset Bundles which refers to another job-task and passing parameters to it. However, the previous job is not created yet (Or will be cretead using Databricks asset bundles in higher envs when deploying t...

  • 5414 Views
  • 5 replies
  • 2 kudos
Latest Reply
priya12
New Contributor II
  • 2 kudos

The lookup works. Here is how it can be used for a job existing outside the asset bundlevariables: my_jobid:    description: Enter the Databricks Job name you want to refer.    lookup:      job: 'My Job1'In the resources section, refer...

  • 2 kudos
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