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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
  • 2573 Views
  • 0 replies
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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
  • 2573 Views
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lucy-ji
by New Contributor III
  • 1688 Views
  • 5 replies
  • 1 kudos

Resolved! How to download widget result into CSV

In the databricks Tutorial (https://docs.databricks.com/gcp/en/sql/get-started/sample-dashboards) , it says we can right click the widget and choose "Download as CSV".  However, in my databricks dashboard, when I right click the widgets, there is no ...

  • 1688 Views
  • 5 replies
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Latest Reply
lucy-ji
New Contributor III
  • 1 kudos

I find the reason is that my Admin didn't enable "SQL result download" option. Now it is solved. Thanks ALL.

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4 More Replies
Kaz
by New Contributor II
  • 8868 Views
  • 3 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...

  • 8868 Views
  • 3 replies
  • 1 kudos
Latest Reply
Isi
Contributor III
  • 1 kudos

Hey @Kaz ,Unfortunately, the output truncation limit in the Databricks job UI cannot be changed. Once that limit is exceeded, the rest of the logs are skipped, and the full logs become accessible only through the “Logs” button, which, as you mentione...

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teixeire
by New Contributor II
  • 1135 Views
  • 3 replies
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How to restrict external access to SQL Warehouse but allow workspace queries?

Hi everyone,I'm currently setting up access controls in our Databricks development workspace. The goal is to enable business users to explore data and build their SQL skills within the workspace itself (e.g., via SQL editor or notebooks), but prevent...

Warehousing & Analytics
Access Rights
Endpoint
sql
  • 1135 Views
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Latest Reply
Isi
Contributor III
  • 0 kudos

Hi @teixeire ,To prevent external tools like Power BI or DBeaver from connecting to your SQL Warehouse, one effective approach is to restrict personal access token (PAT) creation for users who should only query data inside the Databricks workspace.Th...

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meghana_tulla
by New Contributor III
  • 1074 Views
  • 5 replies
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UCX V0.58.0 Dashboard in Databricks Showing 0 Tables Despite Existing Tables.

Hi,I am currently installing UCX version 0.58.0 in Non-Unity enabled Databricks Workspace. It installed successfully and the job completes without errors. However, The Dashboard that goanna generate showing "0 Total Tables" and other metrics as 0.Has...

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meghana_tulla
New Contributor III
  • 0 kudos

Hi,Still facing the same issue actually, I am trying to automate the UCX installation using bashscript. while running the bashscript the job starts and run successfully with all run jobs. Even all jobs Ran successfully, I am getting 0 tables and 0 va...

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ogs
by New Contributor II
  • 466 Views
  • 2 replies
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Data selection from adls2 in Serverless Warehouse

Hi everyone,I'm trying to query data from our adls2 delta lake using a serverless sql warehouse. We've already set up private connectivity via NCC, but hitting a snag when running queries like:SELECT * FROM delta.`abfss://container@xxx.dfs.core.windo...

  • 466 Views
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Latest Reply
ogs
New Contributor II
  • 2 kudos

Hi, thanks for the detailed explanation.Unfortunately, configuring fs.azure.account.key in the Serverless advanced options didn’t help (I’m sure I wrote it correctly) - still receiving the same error.I saw in some sources around the net that I should...

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1 More Replies
Sweta
by New Contributor II
  • 411 Views
  • 1 replies
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Optimized option to write updates to Aurora PostgresDB from Databricks/spark

Hello All,    We want to update our postgres tables from our spark structured streaming workflow on Databricks. We are using foreachbatch utility to write to this sink. I want to understand an optimized way to do this at near real time latency avoidi...

  • 411 Views
  • 1 replies
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

  If near real-time latency is critical, focus on optimizing parallel writes with batch updates (Option 1).If you prioritize transactional stability and can tolerate slightly higher latency due to staging, continue refining your temporary table with ...

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AP01
by New Contributor
  • 921 Views
  • 1 replies
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Databricks JDBC Error: Job Aborted Due to Stage Failure (Executor OOM - Error Code 52)

java.sql.SQLException: [Databricks][JDBCDriver](500051) ERROR processing query/statement. Error Code: 0, SQL state: null, Query: SELECT `ma***, Error message from Server: org.apache.hive.service.cli.HiveSQLException: Error running query: org.apache.s...

Warehousing & Analytics
Databricks JDBC SparkSQL OOM HiveThriftServer Error500051
Databricks SQL
JDBC Driver
SparkSQL
sql
  • 921 Views
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

The executor does not seem to have enough memory to process the assigned tasks, OOM error.

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Kyle2
by New Contributor II
  • 1875 Views
  • 3 replies
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Databricks JDBC driver fails with socket read timeout

We work with a application that connects to our Databricks serverless SQL warehouse via Databricks JDBC driver. It runs a few thousand SQL select statements everyday, and a small percentage of them will fail with the following error details: java.sql...

  • 1875 Views
  • 3 replies
  • 1 kudos
Latest Reply
Rafael-Sousa
Contributor II
  • 1 kudos

Did you tried to increase the socket timeout?

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meghana_tulla
by New Contributor III
  • 437 Views
  • 1 replies
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Issue with UCX Dashboard Display on Databricks v0.5.7 Installation

Hi,I am trying to install UCX for Databricks workspace using the Databricks CLI. When I attempt to install a specific older version instead of the latest, I get a dashboard creation error. This seems to be due to the April 7 update, which removed the...

  • 437 Views
  • 1 replies
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Latest Reply
Advika
Databricks Employee
  • 0 kudos

Hello @meghana_tulla! Older versions of UCX may fail to install because they try to create legacy dashboards, which are no longer supported following the April 7 update. To work around this, make sure your Databricks environment is aligned with the l...

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Akshay_Petkar
by Contributor III
  • 2588 Views
  • 6 replies
  • 2 kudos

How to Display Top Categories in Databricks AI/BI Dashboard?

In a Databricks AI/BI dashboard, I have a field with multiple categories (e.g., district-wise sales with 50 districts). How can I display only the top few categories (like the top 10) based on a specific metric such as sales?

  • 2588 Views
  • 6 replies
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Latest Reply
erbg
New Contributor II
  • 2 kudos

Did you find a solution? 

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5 More Replies
ahid
by New Contributor
  • 734 Views
  • 2 replies
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Databricks Connector for Looker Studio – No Aggregation Pushdown + 1M Row Limit

Hi Databricks Community,I'm trying to understand which team is responsible for maintaining the Databricks Connector for Looker Studio . We’re currently facing a major performance bottleneck with how this connector operates.Specifically:The connector ...

  • 734 Views
  • 2 replies
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Latest Reply
AndreyMirskiy
Databricks Employee
  • 0 kudos

Thank you for the feedback! Unfortunately there is a limitation in Looker Studio Community Connector API. getData method does not specify aggregation expectations for the data source. Therefore, a connector is expected to retrieve non-aggregated resu...

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iamgoce
by New Contributor III
  • 1460 Views
  • 4 replies
  • 2 kudos

Resolved! Using Parameters in EXECUTE IMMEDIATE on Databricks SQL 2025.15 not working

Hi everyone,We are having an issue using parameters with EXECUTE IMMEDIATE statements, when running on SQL serverless running DBSQL v2025.15 (currently in preview channel):declare or replace var query = "SELECT :PARAMETER_1"; EXECUTE IMMEDIATE query;...

iamgoce_0-1744379589689.png iamgoce_0-1744379939492.png
  • 1460 Views
  • 4 replies
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Latest Reply
iamgoce
New Contributor III
  • 2 kudos

@BigRoux thanks for the detailed explanation, that makes more sense.

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Vasu_Kumar_T
by New Contributor II
  • 429 Views
  • 1 replies
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Blade bridge products Availability

Hello All,I wanted to touch base regarding the training and tool for Bladebridge Analyzer that we currently have access to. This has been quite useful in understanding and showcasing its capabilities to our customers.However, as we move forward, we a...

  • 429 Views
  • 1 replies
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Latest Reply
Renu_
Contributor III
  • 0 kudos

Hi @Vasu_Kumar_T, Did you try the course mentioned on this page: https://www.databricks.com/blog/welcoming-bladebridge-databricks-accelerating-data-warehouse-migrations-lakehouseIf you are a Databricks partner, you can access BladeBridge migration tr...

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Akshay_Petkar
by Contributor III
  • 1621 Views
  • 10 replies
  • 7 kudos

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 ...

  • 1621 Views
  • 10 replies
  • 7 kudos
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" ???

  • 7 kudos
9 More Replies
Paddy_chu
by New Contributor III
  • 993 Views
  • 5 replies
  • 1 kudos

Does anyone knows how to create Pareto plot on databricks lakeview dashboard?

Hi,Does anyone knows how to create Pareto plot on databricks lakeview dashboard? My stakeholder would really like to see this display on the dashboard. I'm able to get the values on a bar chart and create a cumulative percentage variable, but when I'...

  • 993 Views
  • 5 replies
  • 1 kudos
Latest Reply
BigRoux
Databricks Employee
  • 1 kudos

I do not have any handy.  A bit of research on your part might get you what you need.  Also, the recommendations to embed in Lakeview refers to embedding a static image of your chart in Lakeview dashboards.  You cannot integrate third party tools in ...

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