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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
  • 3194 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
  • 3194 Views
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Malthe
by Contributor III
  • 96 Views
  • 1 replies
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Intermittent connectivity issues between Power BI and Databricks

We're experiencing connectivity issues between Power BI (refreshing a dataset) and Databricks.On the Databricks side, we're using a SQL Warehouse (serverless), which reports queries timing out:Query has been timed out due to inactivity.On the Power B...

  • 96 Views
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Latest Reply
Malthe
Contributor III
  • 0 kudos

For reference, the issue began at 13/12/2025, 02:43 UTC, and ended (last failure) at 19:43 UTC, 17 hours later.We did nothing to alleviate the issue and the SQL Warehouse seemed to operate normally except when the issue began and concluded when there...

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Leif
by New Contributor
  • 105 Views
  • 2 replies
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RLS

Hi,I have created a function that I have applied as a row filter function to multiple tables.The function takes one input parameter (a column value from the table). It then uses session_user() to look up a user in our users table. If the user is foun...

  • 105 Views
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Latest Reply
Leif
New Contributor
  • 0 kudos

Hi,Thanks for the reply! Yeah, no the raw data has not changed at all. My thought is, can the row filter function handle reading from another table than the raw data table? I mean, I do a read in the users table to find a value, and want to compare t...

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alxsbn
by Contributor
  • 119 Views
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Resolved! Metric View measure on joined table

On the Databricks documentation they take the TPCH classical tables to create some example https://docs.databricks.com/aws/en/metric-views/create/It's pretty easy to create a metric view using orders and do a measure like SUM(totalprice). Now let's s...

  • 119 Views
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NandiniN
Databricks Employee
  • 0 kudos

Hi @alxsbn ,  The Metric View joins are designed for "Many-to-One" relationships. Because orders and lineitem have a One-to-Many relationship (one order has multiple line items), you cannot join lineitem onto an orders-based Metric View and aggregate...

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senkii
by New Contributor
  • 122 Views
  • 2 replies
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How to make a table in databricks using excel file

I want to upload excel file to make a table by using UI in databricks.since databricks doesn't accept excel files. So I tried to change the datatype of  all the data in excel to string first.Then transform it to csv uft-8, and click the [create ]butt...

  • 122 Views
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Latest Reply
iyashk-DB
Databricks Employee
  • 1 kudos

If your workspace has Genie spaces enabled, you can upload Excel (.xlsx) directly to Genie and analyze it there; it’s designed for quick validation and NLQ over uploaded files and UC tables. Otherwise, you can use the following approaches: Option A: ...

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TJ-Leap-Forward
by New Contributor II
  • 343 Views
  • 2 replies
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Resolved! AI/BI Genie for Snowflake

For one of my client, we are building the entire semantic layer for Data (BI) reporting who uses Snowflake. Is there a way to quickly integrate AI/BI Genie on top of Snowflake ?

  • 343 Views
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Latest Reply
Louis_Frolio
Databricks Employee
  • 2 kudos

Hey @TJ-Leap-Forward ,  Yes — you can stand up Databricks AI/BI Genie on top of Snowflake quickly by federating Snowflake into Unity Catalog and then building Genie spaces over those governed datasets, without migrating data out of Snowflake. This wo...

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nanditakrishnan
by New Contributor III
  • 1231 Views
  • 4 replies
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Databricks Dashboard Optimization

I have trouble understanding why, for every report in a dashboard that refers to the same data source, the query re-runs each time Ideally I would want queries being used to fuel the tables for the dashboard run exactly once, and then have the filter...

  • 1231 Views
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Latest Reply
Poorva21
New Contributor II
  • 0 kudos

Your expectation is reasonable, but most dashboards are designed to recompute queries per visual. The best workaround is to precompute the base dataset in a table or view, and have all visuals query that instead. This reduces query load and ensures c...

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Rennzie
by New Contributor II
  • 211 Views
  • 2 replies
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Resolved! Understanding what impacts "Optimizing query & pruning files" time

Hi everyone. I'm keen to understand what impacts the "Optimizing query & pruning files" times seen in the Query Profile History for a sQL Warehouse query. We're querying against delta tables and cannot find any information about what or when a query ...

  • 211 Views
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Latest Reply
Rennzie
New Contributor II
  • 2 kudos

Hey @Louis_Frolio, thank you for the detailed response - really useful. We'll work through what looks most relevant to us. Question 1: Can you confirm of the `compilation_time_ms` in the metrics from the list query endpoint corresponds to the â€œOptimi...

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jpdoliveira
by New Contributor II
  • 294 Views
  • 5 replies
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Create a table from external location volume using terraform

Hi everyone,I’m trying to create a table in Unity Catalog from a folder that lives inside a Volume, but I can’t get Terraform to create it successfully.Below is the simplified/anonymous version of my Terraform setup.I have:* A Unity Catalog* A Schema...

  • 294 Views
  • 5 replies
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Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 2 kudos

It will not work because it will detect that the locations overlap. I tried it in some experiments, like displaying delta_log in volumes, but it didn't work. In fact, it is secure this way as the Delta files in volume would bypass Unity Catalog ACL f...

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AlexG
by New Contributor III
  • 169 Views
  • 3 replies
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How to add a line break for Data labels in Visualization Editor

How can I add a break line between data labels in Visualization Editor?Not seeing anything in the documentation that helpsI would like the data labels in the example below to show as:trade count: 223Price: 84.71875 

AlexG_0-1764792576618.png
  • 169 Views
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Latest Reply
Advika
Databricks Employee
  • 3 kudos

@AlexG, you can share this in the feature request section so the team can consider it.

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boopa45
by New Contributor II
  • 124 Views
  • 1 replies
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Interactive actions in databricks dashboard on table chart

how do we apply/add/make Interactive actions in databricks dashboard on tabular chart. here is my case,I have 2 datasets like below,customer tableCustomer region_cdAA  GABB CNRegion tableregion_cd name PINGA Georgia 12345 in dashbaord i have 2 pane o...

  • 124 Views
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szymon_dybczak
Esteemed Contributor III
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Hi @boopa45 ,If I understood your requirements correctly you're looking for cross-filtering behaviour. Here's a couple of examples:Cross-filtering for AI/BI dashboards - Databricks Community - 82912Next-Level Interactivity in AI/BI Dashboards | Datab...

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amdata
by New Contributor
  • 106 Views
  • 1 replies
  • 1 kudos

Is it possible to download tables in a databricks dashboard as CSV/Excel?

I do not see the option as mentioned in the documentation here: https://docs.databricks.com/aws/en/dashboards/#:~:text=Download%20results%E2%80%8B,final%20file%20download.Please let me know if PNG is the only available option currently?

  • 106 Views
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szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @amdata ,It was possible until recently  There's a bug and databricks team is working on a fix. So soon they should release a fix and then you will be able to export to csv as stated in documentation. Check below thread for more info:ONLY PNG form...

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taegyun
by New Contributor II
  • 210 Views
  • 3 replies
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How to download widget(in canvas) result into CSV

The CSV download option has disappeared from the dashboard canvas, and only the PNG download option remains. The SQL download option is still active.Why did the previously available option disappear?When I select 'View Dataset,' the result I see is t...

  • 210 Views
  • 3 replies
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Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 3 kudos

Hi @taegyun , @random_user77 It seems that this is a bug. This is a known issue, and the team is working on a fix. Check below thread:ONLY PNG format is available for databricks dashbo... - Databricks Community - 140902

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Coffee77
by Contributor III
  • 241 Views
  • 3 replies
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How to inject non-literal values in "table_changes" CDF function?

Hi guys,I am trying to use table_changes CDF function in an external SQL function run it from an SQL Warehouse serverless cluster in order to retrieve a set of changes from a given table. Here is the documentation for this fuunction:https://docs.data...

  • 241 Views
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Latest Reply
iamgoce
New Contributor III
  • 0 kudos

What's worked for us is to use a string variable to construct the query and then use EXECUTE IMMEDIATE to execute the query:DECLARE OR REPLACE VAR QUERY; SET VAR QUERY = 'SELECT * FROM TABLE_CHANGES("catalog.schema.table", "' || timestamp_start || '"...

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jasmin_mbi
by New Contributor
  • 113 Views
  • 1 replies
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Impossible to create classic warehouse

Hello,we have already spent surprisingly many DBUs, although we have only uploaded a few tiny tables (9 Tables with approx. 10 lines).We had the idea to change the warehouse from serverless starter warehouse to classic 2x small in order to save DBUs....

  • 113 Views
  • 1 replies
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Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @Margie129Palmer ,Make sure that you meet following requirements - to create a SQL warehouse you must be a workspace admin or a user with unrestricted cluster creation permissions. 

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