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Warehousing & Analytics
Engage in discussions on data warehousing, analytics, and BI solutions within the Databricks Community. Share insights, tips, and best practices for leveraging data for informed decision-making.
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Forum Posts

MadelynM
by Databricks Employee
  • 1457 Views
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[Recap] Data + AI Summit 2024 - Warehousing & Analytics | Improve performance and increase insights

Here's your Data + AI Summit 2024 - Warehousing & Analytics recap as you use intelligent data warehousing to improve performance and increase your organization’s productivity with analytics, dashboards and insights.  Keynote: Data Warehouse presente...

Screenshot 2024-07-03 at 10.15.26 AM.png
Warehousing & Analytics
AI BI Dashboards
AI BI Genie
Databricks SQL
  • 1457 Views
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NikkG
by New Contributor
  • 757 Views
  • 3 replies
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Worker/Drive Node Config for Free Tier EastUS region

Hello,Right now I have chosen the free tier mode and region is east US. But I am unable to create a all purpose compute cluster. Any config I chose it says not supported. Any help is appreciated for pointing which config for worker and driver I shoul...

  • 757 Views
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Latest Reply
Walter_C
Databricks Employee
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It seems to be an issue with instance availability on the zone, it could be that at the given time there were no infrastructure available or a limitation with the zone itself. Have you checked the link available in the error message?  

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HeathDG1
by New Contributor II
  • 227 Views
  • 1 replies
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Display Pyspark Widget in UI Dashboard

Hi-I have a spark DF that I create a visual from, I added a dbutils widget to filter the visual. I want to display the visual in our current IU dashboards (that were created with SQL datasets and calculated measures) but when I click on the drop down...

  • 227 Views
  • 1 replies
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Latest Reply
Advika_
Databricks Employee
  • 0 kudos

Hello @HeathDG1! It looks like your visualization was created in a Databricks Notebook using the dbutils widget for filtering. However, Databricks only allows SQL-based visualizations to be added to AI/BI dashboards, while notebook visuals can only b...

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Kaz
by New Contributor II
  • 6946 Views
  • 1 replies
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Show full logs on job log

Is it possible to show the full logs of a databricks job? Currently, the logs are skipped with:*** WARNING: max output size exceeded, skipping output. ***However, I don't believe our log files are more than 20 MB. I know you can press the logs button...

  • 6946 Views
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Latest Reply
piotrsofts
New Contributor II
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Hey KazWhere did you get that ?

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VCA50380
by Contributor
  • 794 Views
  • 2 replies
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Resolved! Error "[INSUFFICIENT_PERMISSIONS] Insufficient privileges SQLSTATE: 42501"

Hello,When I do some DML statements using a view "the_source_view"  direcly in SQL as a basis, all works fine. I can do inserts in another Delta table based on the data coming out of this view.It works too from a Job: WorkFlow -> Task -> Notebook con...

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VCA50380
Contributor
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Hello,Things are working as soon as I use a compute with Access Mode = Standard.Vinc

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ossinova
by Contributor II
  • 214 Views
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Coss page filters - AI/BI Dasboards

When creating a dashboard with multiple pages connected to one dataset. It seems that only visual elements on the same page that the filter is on takes effect. Is there a way to filter all visual elements regardless of which page the filter is on?I h...

  • 214 Views
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HeathDG1
by New Contributor II
  • 497 Views
  • 2 replies
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Resolved! Dashboard Widget Alignment

Hi, Is there a way to aline the databricks widget filters. Please see screenshot below. 

  • 497 Views
  • 2 replies
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Latest Reply
Alberto_Umana
Databricks Employee
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Hello @HeathDG1, Looks like screenshot is cut off, could you please elaborate more on what do you want to achieve?

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Torch3333
by New Contributor II
  • 405 Views
  • 1 replies
  • 1 kudos

Resolved! Linearizability on Delta Lake table

Hi all, Does Delta Lake table guarantee linearizability for the following operations on a single record:- SELECT- UPDATE and DELETE with condition (WHERE clauses) If linearizability is not guaranteed, what consistency model does Delta Lake provide fo...

  • 405 Views
  • 1 replies
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Latest Reply
Advika
Databricks Employee
  • 1 kudos

Hello @Torch3333! Delta Lake does not guarantee linearizability for single record operations. In Delta Lake, isolation levels ensure consistency guarantees in transactions. By default, SELECT operations follow snapshot isolation, ensuring that reads ...

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mausch
by New Contributor
  • 389 Views
  • 0 replies
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CalledProcessError when running dbt

I've been trying to run a dbt project (sourced in Azure DevOps) in Databricks Workflows, but I get this error message:  CalledProcessError: Command 'b'\nmkdir -p "/tmp/tmp-dbt-run-1124228490001263"\nunexpected_errors="$(cp -a -u "/Workspace/Repos/.in...

  • 389 Views
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Akshay_Petkar
by Contributor III
  • 665 Views
  • 7 replies
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How to Complete CDW Migration Best Practices Training Labs on Databricks Learning Portal?

I am going through the labs for the CDW Migration Best Practices training on the Databricks Learning Portal and scored 75%. However, it still shows as "In Progress."Can anyone explain the criteria for marking the labs as complete? Do I need a higher ...

  • 665 Views
  • 7 replies
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Latest Reply
betterahyosi2k2
New Contributor II
  • 7 kudos

Hello,I'm trying to finish Delivery Specialization: CDW Migration Best Practices course but I could able to achieve only 50%.could you please share those answer notebooks to this email "betterahyosi2k20@gmail.com" ???

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6 More Replies
edejong1980
by New Contributor II
  • 490 Views
  • 1 replies
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Databricks SQL Warehouse does not scale down to 0

Hey Support Team,We are experiencing an issue with our Databricks warehouse where the auto-stop feature does not seem to be working as expected. Despite setting an idle timeout, the warehouse continues running after the configured auto-stop time has ...

  • 490 Views
  • 1 replies
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Latest Reply
edejong1980
New Contributor II
  • 1 kudos

We were able to diagnose and resolve the problem. The problem was caused due to a cube.js JDBC connection repeatedly connecting to our Databricks SQL Warehouse. Databricks SQL Warehouse does not scale down when there are repeated new connections made...

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sunnypol
by New Contributor
  • 761 Views
  • 1 replies
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SQL Warehouse: INVALID_PARAMETER_VALUE when starting

Hi Team,Suddenly our SQL warehouse stopped running, can you please help us how can we check why it stopped.  

  • 761 Views
  • 1 replies
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Latest Reply
Ismael-K
Databricks Employee
  • 0 kudos

A similar error was reported, please check this thread to see if it helps resolve the issue.

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Akshay_Petkar
by Contributor III
  • 315 Views
  • 2 replies
  • 2 kudos

Resolved! Row-Level Security Not Working in Published Databricks AI/BI Dashboard

I have applied row-level security (RLS) on the department column in the table so that users can only see data related to their own department. The security policy works perfectly when I query the table in Databricks SQL.Now, I have built a Databricks...

  • 315 Views
  • 2 replies
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Latest Reply
koji_kawamura
Databricks Employee
  • 2 kudos

Hi @Akshay_Petkar , which credential mode did you use to publish the dashboard? In order to make access control work based on the viewer's credential, "Don't embed credentials" mode should be used. If you published the dashboard with "Embed credentia...

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VCA50380
by Contributor
  • 517 Views
  • 3 replies
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Resolved! Equivalent of Oracle's CLOB in Databricks

Dear all,(migrating for an on-premise Oracle ...)The question is in the subject: "What is the equivalent of Oracle's CLOB in Databricks" ?I saw that the "string" type can go up to 50 thousands characters, which is quite good in most of our cases, but...

  • 517 Views
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VCA50380
Contributor
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Hello;Thanks for the answer.For the concatenation itself, it is not an issue.My question is "is Databricks supporting something bigger than the 'string' data-type" ? Thanks

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VCA50380
by Contributor
  • 1559 Views
  • 10 replies
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Resolved! Efficacy of PySpark in Databricks

Hi all,- migrating from an on-premise Oracle -Currently on Oracle, I have a "library" of let's say 300 tables to load, sequentially, based on views (some tables being fed potentially by several views, therefore the number of underlying views is highe...

  • 1559 Views
  • 10 replies
  • 3 kudos
Latest Reply
MariuszK
Contributor III
  • 3 kudos

The common scenario for data processing in Oracle is based on PL/SQL and cursors. In the case of PySpark we don't have such concept as cursors and iteration on data frames can lead to poor performance.I migrated Oracle to Databricks and I learned tha...

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