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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
  • 3117 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...

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Warehousing & Analytics
AI BI Dashboards
AI BI Genie
Databricks SQL
  • 3117 Views
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ZoraidaHS
by New Contributor
  • 3327 Views
  • 1 replies
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Disjunction on static filters for a Widget

I would like to be able to express something like: WHERE columnA = "valueA" OR columnB = "valueB" but on the Widget. I only see the possibility that chaining filters that are processed as AND operator. Am I missing something?

  • 3327 Views
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Latest Reply
mark_ott
Databricks Employee
  • 0 kudos

Most widget filter interfaces only support multiple filters using an AND operator, meaning each condition must be true for a row to be included. If you want to use an OR operator, such as filtering where columnA = "valueA" OR columnB = "valueB", most...

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JZhang
by New Contributor
  • 3311 Views
  • 1 replies
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Issues in visualizing tables when exporting dashboard to HTML

Hello communityI am facing an issue when I export a dashboard to an HTML: the problem is that the HTML has white background but the exported tables have black colors, like the example I am showing below Does someone know how to handle this visualizat...

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  • 3311 Views
  • 1 replies
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mark_ott
Databricks Employee
  • 0 kudos

To resolve the issue of dashboard tables exporting to HTML with mismatched colors—specifically black table backgrounds against a white HTML page—review and adjust your dashboard’s CSS or formatting settings before export. The problem typically occurs...

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Aminsnh
by New Contributor
  • 3945 Views
  • 1 replies
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Adding customized shortcut keys

Hi all, I need to add a shortcut key for R's pip operator (%>%) to my Databricks notebook. I want the operator to be written in my code snippet when I hold down the shortcut keys (shift + ctrl + m). Is there a straightforward way to add such shortcut...

  • 3945 Views
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mark_ott
Databricks Employee
  • 0 kudos

Databricks notebooks do not natively support defining custom keyboard shortcuts to insert specific code snippets like R’s pipe operator () within the notebook editor UI. The list of standard shortcuts available is limited to navigation, cell manageme...

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danilo_amorim
by New Contributor
  • 3374 Views
  • 1 replies
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Unable to connect to databricks with ODBC connection on a Mac

Hi all!Need help configuring ODBC connection on a Mac. I'm receiving the error "The web server failed to start, please verify if  port 8020 is being used by another connection or annother application".I've downloaded and installed Databricks ODBC con...

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mark_ott
Databricks Employee
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The error "The web server failed to start, please verify if port 8020 is being used by another connection or another application" when configuring an ODBC connection to Databricks on a Mac, even after checking that port 8020 is not in use, is a known...

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patilsuhasv
by New Contributor
  • 3281 Views
  • 2 replies
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Dela Table and history

Hi All,How can I maintain 7 years of transactional data in delta table? Can I have log retention of 7 days, but data retention of 7 years?Appreciate your response.Thanks and regards Suhas

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Isi
Honored Contributor III
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Hi @patilsuhasv,Maintaining 7 years of transactional data in a Delta Lake table is technically possible, but it requires careful configuration — and it’s important to understand the recent changes Databricks announced (effective December 2025) regard...

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AndreasWagner
by New Contributor II
  • 6540 Views
  • 2 replies
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PowerBI connected to SAP Databricks

hi everyone, does somebody have experience with connecting PowerBI to SAP Databricks in the BDC? I have quite a few SAP customers interested in that ... many thanks, Andreas

  • 6540 Views
  • 2 replies
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Latest Reply
DanielFroehler
New Contributor II
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Hi @WiliamRosa ,do you know which feature is missing in SAP Databricks that it doesnt work? As Andreas said- everybody is asking that question.KR Daniel

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CEH
by New Contributor II
  • 544 Views
  • 5 replies
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Union of tiny dataframes exhausts resource, memory error

As part of a function I create df1 and df2 and aim to stack them and output the results.  But the results do not display within the function, nor if I output the results and display after.results = df1.unionByName(df2, allowMissingColumns=False)displ...

  • 544 Views
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Latest Reply
Advika
Databricks Employee
  • 2 kudos

Hello @CEH! Did any of the suggestions above help resolve the issue?If so, please mark the most helpful reply as the accepted solution. Or, if you found another fix, please share it with the community so others can benefit as well.

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4 More Replies
Akshay_Petkar
by Valued Contributor
  • 7822 Views
  • 9 replies
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Resolved! Need a Sample MERGE INTO Query for SCD Type 2 Implementation

Can anyone provide a sample MERGE INTO SQL query for implementing SCD Type 2 in Databricks using Delta Tables?

  • 7822 Views
  • 9 replies
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Latest Reply
jeffreyaven
Databricks Employee
  • 7 kudos

Here is a simple example using an upstream Delta table with ChangeDataFeed enabled, using table_changes() to get the records with their corresponding operation, this is a 2 step process you need to close out modified or deleted recordsadd new rows (i...

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Kaz
by New Contributor II
  • 10154 Views
  • 4 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...

  • 10154 Views
  • 4 replies
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Latest Reply
jkb7
New Contributor III
  • 2 kudos

Any news on this topic?Have the limits on the notebook-cell-log output been resolved?

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tarunnagar
by New Contributor III
  • 205 Views
  • 3 replies
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Tips for Streamlining Spark Job Development and Debugging in Databricks

Hi everyone,I’m looking to improve the efficiency of developing and debugging Spark jobs within Databricks and wanted to get insights from the community. Spark is incredibly powerful, but as projects grow in complexity, it can become challenging to m...

  • 205 Views
  • 3 replies
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Latest Reply
Suheb
New Contributor II
  • 2 kudos

Developing and debugging Spark jobs in Databricks can be challenging due to the distributed nature of Spark and the volume of data processed. To streamline your workflow:Leverage Notebooks for Iterative Development:Use Databricks notebooks to write a...

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mausch
by New Contributor
  • 3418 Views
  • 1 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...

  • 3418 Views
  • 1 replies
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mark_ott
Databricks Employee
  • 0 kudos

The error you encountered when running your dbt project in Databricks Workflows comes from Databricks trying to copy the entire repository, including the virtual environment (venv) folder and its cached bytecode files (__pycache__), into a temporary ...

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rajanator
by New Contributor
  • 237 Views
  • 1 replies
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Resolved! Intermittent 400 Error with Power BI Desktop - ODBC Connection to SQL Warehouse

Hi all,I'm experiencing an intermittent connection issue between Power BI Desktop and our Azure Databricks SQL Warehouse and looking for help troubleshootingError Message:ODBC: ERROR [HY000] [Microsoft][ThriftExtension] (14) Unexpected response from ...

  • 237 Views
  • 1 replies
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Latest Reply
mark_ott
Databricks Employee
  • 1 kudos

The intermittent ODBC error you’re seeing in Power BI when connecting to Azure Databricks is a recognized issue related to SSL validation interruptions or proxy interference in the Simba ThriftExtension layer. The behavior—random occurrences, tempora...

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Bakkie
by New Contributor III
  • 3866 Views
  • 3 replies
  • 4 kudos

Resolved! Databricks Apps based on Streamlit could not find a valid JAVA_HOME installation

We are launching our first Databricks Apps based on Streamlit.The App works when simply running the notebook in our workspace, but fails after deployment due to "could not find a valid JAVA_HOME installation" when running in the system environment.We...

  • 3866 Views
  • 3 replies
  • 4 kudos
Latest Reply
NandiniN
Databricks Employee
  • 4 kudos

Databricks Apps (which use a lightweight, container-based runtime) do not automatically include JVM, best is to use the databricks package to not have dependency issues.

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playnicekids
by New Contributor II
  • 533 Views
  • 2 replies
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Resolved! Metric Views

HiI think I’ve found a reproducible bug / or am misunderstanding some syntax / capabilities of Metric Views when joining a calendar scaffold to an SCD2 table.The same SQL query works perfectly, but the Metric View always returns a constant 1 per mont...

  • 533 Views
  • 2 replies
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Latest Reply
Louis_Frolio
Databricks Employee
  • 1 kudos

Hey @playnicekids , I dig some digging and have come up with some helpful hints/tips to get you past your issue:   This behavior is due to how metric view joins are defined and executed.   Diagnosis   The join in your metric view is a many-to-many te...

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Giktator
by New Contributor II
  • 1570 Views
  • 4 replies
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Error FAILED_READ_FILE.NO_HINT When Reading File from R2 Storage

 Hi there,I'm encountering the following error while attempting to read a file from R2 storage:[FAILED_READ_FILE.NO_HINT] Error while reading file r2:REDACTED_LOCAL_PART@user_id.r2.cloudflarestorage.com/data/20250128_160228_54805_wpkza_e38751cf-969e-...

  • 1570 Views
  • 4 replies
  • 1 kudos
Latest Reply
NandiniN
Databricks Employee
  • 1 kudos

But the error is from aws and seen when the payload size is incorrectly defined in the contentLength parameter. Caused by: com.amazonaws.SdkClientException: Data read has a different length than the expected: This sounds like a bug, Was this resolved...

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