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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
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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
  • 2991 Views
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data-grassroots
by New Contributor III
  • 1223 Views
  • 1 replies
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Python UDTF

Attempting to create a Python UDF and receiving an error stating it's not supported in my environment.running on SQL Serverless Cluster - Preview (v 2025.16)[FEATURE UNAVAILABLE]Python UDTF is not supported in your environment. To use this feature, p...

  • 1223 Views
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nayan_wylde
Honored Contributor III
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Currently Serverless supports only scaler valued function not table valued function. also you need to provide the catalog and schema in the function.You can create using a pro computecreate function {catalog_name}.{schema_name}._rrr_taxonomy_test()RE...

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Malthe
by Contributor
  • 587 Views
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Online Table pricing for infrequent use

According to the pricing page, the minimum cost in using this product is 1 DBU per hour.Often times, access to such tables comes in bursts with many periods of idle time. How is infrequent use factored into the pricing? This is also important for set...

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Malthe
Contributor
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As far as I can tell, the minimum charge for an online table is DBU-cost x 24 x 30 per month, i.e. around $720 per month.Is the 15-minute scale-down window documented somewhere?With a 15-minute scale-down window, assuming just one access per hour, th...

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kevin11
by Valued Contributor
  • 561 Views
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Genie room not in lineage

Hello,We recently modified some table names and used the UC Lineage to identify the users that were accessing these particular tables to notify. However, it seems we broke our Genie Space that was using that table. As best as I can tell, queries from...

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saurabh18cs
Honored Contributor II
  • 2 kudos

As of now, system tables like information_schema.table_usage or query_history do not log Genie Space queries. They primarily log interactive and scheduled queries from notebooks, dashboards, and the SQL editor.you will need to rely on Genie configura...

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julianner
by New Contributor II
  • 636 Views
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Internal Error During Spark SQL Phase Optimization – Possible Bug in Spark/Databricks Runtime

Bug SummaryTitle: Spark SQL internal error when executing SQL code in the Azure Databricks SQL Editor  DescriptionWhen executing SQL code in the Azure Databricks SQL Editor, a Spark SQL internal error is returned.  Steps to ReproduceCopy and paste th...

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saurabh18cs
Honored Contributor II
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Check Databricks runtime version:If possible, upgrade to the latest Databricks runtime, as internal errors are sometimes fixed in newer versions.

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jakobhaggstrom
by New Contributor
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Issue when using M2M authentication with azure databricks jdbc driver 2.7.1

Hi!I try to connect to an azure databricks sql warehouse in dbeaver, which uses the azure databricks jdbc driver version 2.7.1 ## and I cannot get M2M authentication to work. I get a 'Not Authorized' (401) response when I try to connect, and it seems...

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gdo
New Contributor II
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Hey @jakobhaggstrom,It's possible to connect to DBX using an Azure service principal. You're just missing the OIDC URL in the JDBC driver's parameters.The OIDC discovery is enabled by default but you need to set its URL which contains your Azure tena...

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data-wrangler
by New Contributor II
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Foreign Catalog with BigQuery connects, but appears empty, and queries fail

Hi -- I'm trying to connect to BigQuery as a foreign catalog. I'm able to create and successfully test the connection, but when I create a foreign catalog it appears empty, and queries against that catalog return a "TABLE_OR_VIEW_NOT_FOUND" error.The...

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data-wrangler
New Contributor II
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Thanks @lingareddy_Alva! This is helpful.I reached out to ask about the required permissions, we'll see how that goes.In the meantime, I'm trying to test out the other two paths. Do you know where I could find docs or examples for those operations? I...

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meljung
by New Contributor II
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Databrick AI/BI Dashboard cross-filtering on the map glitch

Hi everyone,I recently started using AI/BI dashboard and I'm struggling with this glitch in the map. The visual was generated without any issues but the cross-filtering of the map for example, if I click on a county, the rest of the chart values chan...

Screenshot 2025-06-13 135856.png Screenshot 2025-06-13 135812.png Screenshot 2025-06-13 135843.png
  • 1748 Views
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HariSankar
Contributor III
  • 2 kudos

Hey @meljung ,The issue seems to stem from using an aggregated metric (`count_distinct(user_id)`) in the map visual.When clicking on a county, the map attempts to filter other visuals using the underlying dimension, but inconsistencies may occur if t...

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Shun_T
by New Contributor
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Error about creating a dashboard with Asset Bundles

Hi, I'm Shun from Japan.I tried to create Databricks Dashboard using Asset Bundles.But, I got an error message bellow on Web Terminal.$ databricks bundle deployWarn: Failed to load git info from /api/2.0/workspace/get-statusError: failed to get dashb...

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HariSankar
Contributor III
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Hi @Shun_T ,The error message you're seeing,usually means that the dashboard you're trying to deploy either doesn’t exist in your Databricks workspace,or the ID/reference used in the YAML file is invalid.Here are a few steps that should help:1.Verify...

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source2sea
by Contributor
  • 823 Views
  • 1 replies
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where can i change the dashboard inherited permission

 I do no like the fact that 'all workspace users' can manage' the dashboard 

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HariSankar
Contributor III
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Hey @source2sea ,I ran into the same issue before. The reason it shows "All workspace users – Can Manage (inherited)" is because the permission is coming from the folder where your dashboard is saved.To fix it, go to that folder, click on the three d...

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jackintosh
by New Contributor
  • 4059 Views
  • 2 replies
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Dynamic GRANT

Hello,I am struggling trying to assign permission dynamically on a schema. I am using databricks asset bundle and I have a parametrized script to assign permission.grant select on schema {{schema}} to {{group}};I cannot achieve a dynamic grant statem...

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jameshughes
Contributor II
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I use notebooks as part of the asset bundle deployment to conduct a lot of dynamic configurations based upon the workspace being deployed to (ex. Development, Test, Production).  In conjunction, I developed a helper Python library with a number of fu...

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josh__
by New Contributor II
  • 753 Views
  • 1 replies
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Databricks Free Edition + dbt cloud

Is it possible it use Databricks Free Edition + dbt cloud for dbt projects?

  • 753 Views
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Renu_
Valued Contributor II
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Hi @josh__, I guess yes, you can use Databricks Free Edition with dbt Cloud for dbt projects. Just keep in mind that the Free Edition is mainly meant for learning and experimentation, so it does have some limitations around features and resources. Mi...

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ArturSvoboda
by New Contributor
  • 533 Views
  • 1 replies
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Join altered view tables

Hi! I have these two tables which are altered(renamed) views from my main table, and there seems to be no way of joining this tables. Everytime I try Databricks indicates that these tables cannot be found, but if I go and write a Select * statements ...

  • 533 Views
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lingareddy_Alva
Honored Contributor III
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Hi @ArturSvoboda This sounds like a classic Databricks workspace isolation issue. Here are the most likely causes and things to check:1. Temporary Views vs Persistent ViewsYour renamed views might be temporary views that only exist in your current Sp...

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BryanM
by New Contributor II
  • 898 Views
  • 2 replies
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area visualisation 'group by' not showing

Hi,I'm new to databricks, and I'm trying to create an area plot in a visualisation, the only problem is that I do not see the 'group' otion in the y axis section.  I see 'Color' but that is all, not 'group by' option (I'm expecting to see 'Color/Grou...

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lingareddy_Alva
Honored Contributor III
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Hi @BryanM Use "Color by Y-Series" for GroupingIn Databricks, the "Color by Y-Series" section IS your grouping mechanism for area charts:Add your grouping dimension (the field you want to group by) to the "Color by Y-Series" sectionThis will create s...

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rushank29
by New Contributor II
  • 2143 Views
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pm4py no visualization

Hi,I am trying to use pm4py library to visualize my data. my code executes perfectly but there is no visualization how can i solve this problem ? There is no error message#processmining # databricks #pm4py

  • 2143 Views
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Vidhi_Khaitan
Databricks Employee
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I believe we do not support GUI-based viewers like pm4py.visualizer.view(gviz), which tries to open a file using your system's default image/PDF viewer.Could you try visualizing and then saving the output - import pm4py# Sample log (replace with your...

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doremon11
by New Contributor
  • 1993 Views
  • 1 replies
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unable to perform modifications on Table while Using Python UDF in query

Here, we're trying to use the Python UDF inside the query.taking the table as function input converting the table into dataframe performing modification converting the dataframe into table returning the table  How can we create spark context inside U...

  • 1993 Views
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Vidhi_Khaitan
Databricks Employee
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Hi team,I believe you cannot create or access a SparkSession or run Spark operations like spark.sql() directly inside a Python UDF. input_table is a table argument, not a string with a table name. You receive it as a pandas DataFrame when using RETUR...

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