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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
  • 2998 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
  • 2998 Views
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Akshay_Petkar
by Valued Contributor
  • 2170 Views
  • 1 replies
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Resolved! Databricks warehouse cost calculation

I would like to know how the cost for a warehouse in Databricks is calculated. Specifically, if the cost for a 2x small warehouse is 4 DBUs per hour, how is the cost determined if I use the warehouse for only 30 minutes and then terminate it? Will it...

  • 2170 Views
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Latest Reply
daniel_sahal
Esteemed Contributor
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@Akshay_Petkar As it states in Databricks documentation:Databricks offers you a pay-as-you-go approach with no up-front costs. Only pay for the products you use at per second granularity.It will charge 2 DBUs.

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Akshay_Petkar
by Valued Contributor
  • 1999 Views
  • 1 replies
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Facing Data Truncation Issues in Databricks Dashboards

I'm encountering data truncation in my Databricks dashboards. I'm working with a large dataset, and the dashboard only displays a limited number of (truncated) rows.let's take a dataset containing 1 million sales records. The dashboard currently only...

  • 1999 Views
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Latest Reply
NandiniN
Databricks Employee
  • 0 kudos

Hi @Akshay_Petkar , This is simple in Databricks SQL, just uncheck LIMIT 1000 in the drop down. https://docs.databricks.com/en/sql/get-started/visualize-data-tutorial.html Limit 1000 is selected by default for all queries to ensure that the query ret...

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diego_poggioli
by Contributor
  • 9789 Views
  • 5 replies
  • 2 kudos

Resolved! Nested subquery is not supported in the DELETE condition

According to the documentation the WHERE predicate in a DELETE statement should supports subqueries, including IN, NOT IN, EXISTS, NOT EXISTS, and scalar subqueries.if I try to run a query like:   DELETE FROM dev.gold.table AS trg WHERE EXISTS ( ...

  • 9789 Views
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Latest Reply
Tejas2022
New Contributor II
  • 2 kudos

@diego_poggioli Can you try selecting a 'year_month_version' column from the view instead of select * DELETE FROM dev.gold.table AS trg WHERE year_month_version IN (select year_month_version FROM v_distinct_year_month_version)  

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4 More Replies
Akshay_Petkar
by Valued Contributor
  • 3760 Views
  • 2 replies
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Resolved! Truncated Data on Lakeview Dashboard

When we create a Lakeview dashboard, the visuals show truncated data. I want to create a dashboard using the entire dataset because the charts do not display the exact values needed for accurate analysis.

  • 3760 Views
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Latest Reply
raphaelblg
Databricks Employee
  • 2 kudos

Hello @Akshay_Petkar , The FrontEnd (FE) rendering is a limit that determines what data we render on the FE that has been returned by the BackEnd (BE). Render all button allows you to render all the data on the FE that has been returned by the BE. Re...

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1 More Replies
data_guy
by New Contributor
  • 2319 Views
  • 1 replies
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Resolved! Issue while extracting value From Decimal Key is Json

Hi Guys,I have a JSON as the below structure where the key is as decimal.{ "5.0": { "a": "15.92", "b": 0.0, "c": "15.92", "d": "637.14" }, "0.0": { "a": "15.92", "b": 0.0, "c": "15.92", "d": "637.14" } }schema_of_json returns the following:STRUCT<`0....

  • 2319 Views
  • 1 replies
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Latest Reply
raphaelblg
Databricks Employee
  • 1 kudos

Hello @data_guy , I've performed a reproduction of your scenario and could successfully select all data. Please check screenshot below:      This is the source code: import json data_values = { "5.0": { "a": "15.92", "b": 0.0, "c":...

  • 1 kudos
dalion
by New Contributor III
  • 7364 Views
  • 5 replies
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Azure VNet Injection and Power BI

Need help in Azure Databricks VNet architecture with Power BI. Our Databricks setup is based on No Public IP. Does anyone has a architecture that can support the Databricks setup in VNet Injection and Power BI tool accessing the Databricks.    

  • 7364 Views
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Latest Reply
databricks_noob
New Contributor II
  • 2 kudos

happy to help further. email me or call me - takutz.hoshyam@gmail.com, +15123726322.

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4 More Replies
Billycheng
by New Contributor
  • 3008 Views
  • 4 replies
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Error Message when Creating Catalog

I am very new to DB. Can someone show me how to resolve the error below please? Assistant  The error message you're encountering indicates that when creating a catalog, you need to specify a managed storage location for it. This is a requirement in o...

  • 3008 Views
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Latest Reply
dkushari
Databricks Employee
  • 0 kudos

If your root metastore bucket is not configured then you need to provide a managed location when creating a catalog in UC. https://docs.databricks.com/en/data-governance/unity-catalog/create-catalogs.html#create-a-catalog    

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3 More Replies
Eric_Kieft
by New Contributor III
  • 1722 Views
  • 1 replies
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Materialized Views GA and Azure Region Availability

Materialized views are currently public preview (as of May 2024).  Is there a planned date for GA?Also the limitations section for Azure notes: Databricks SQL materialized views are not supported in the South Central US and West US 2 regions.Will thi...

  • 1722 Views
  • 1 replies
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Latest Reply
Eric_Kieft
New Contributor III
  • 1 kudos

Thanks, Kaniz. Will this feature be available for these regions in the future?

  • 1 kudos
Mado
by Valued Contributor II
  • 18932 Views
  • 9 replies
  • 4 kudos

Resolved! How to get usage statistics from Databricks or SQL Databricks?

Hi,   I am looking for a way to get usage statistics from Databricks (Data Science & Engineering and SQL persona).   For example: I created a table. I want to know how many times a specific user queried that table.How many times a pipeline was trigge...

  • 18932 Views
  • 9 replies
  • 4 kudos
Latest Reply
twole
Databricks Employee
  • 4 kudos

You can use System Tables, now available in Unity Catalog metastore, to create the views you described. https://docs.databricks.com/en/admin/system-tables/index.html

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Hubert-Dudek
by Esteemed Contributor III
  • 3260 Views
  • 1 replies
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Remote Cache

SQL serverless now use cache even after termination thanks to the remote cache. You can benefit from 1 min auto-termination when still utilizing cache benefits.

remote_cache.png
  • 3260 Views
  • 1 replies
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Latest Reply
jose_gonzalez
Databricks Employee
  • 2 kudos

Thank you for sharing @Hubert-Dudek!!!!

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youssefmrini
by Databricks Employee
  • 10055 Views
  • 1 replies
  • 1 kudos

Dataricks asset bundles is now Public preview

Databricks asset bundles, now in Public Preview, enable end-to-end data, analytics, and ML projects to be expressed as a collection of source files. This makes it simpler to apply data engineering best practices such as source control, code review, t...

Warehousing & Analytics
CICD
MachineLearning
  • 10055 Views
  • 1 replies
  • 1 kudos
Latest Reply
avrm91
Contributor
  • 1 kudos

Will a Databricks Asset Bunldes (DAB) implementation take place in the cloud (Browser - Workspace)?Personally, I work on a developer VM in a closed network where it is very difficult to install software (Databricks CLI) because it has to be requested...

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Linglin
by New Contributor III
  • 4215 Views
  • 3 replies
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Resolved! Add Visualization in Notebook to Dashboard, how to set default add to Dashboard Bottom

I'm creating dashboard with multiple visualizations from a notebook.Whenever I add a new visualization, the default position in dashboard is top left which mess up all the format I did for previous graph. Is there a way to default add to the bottom o...

  • 4215 Views
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Latest Reply
Linglin
New Contributor III
  • 0 kudos

@shan_chandra I'm using Lakeview dashboard. In dbx notebook, there is Add to dashboard > button on the right of each visualization. It's super handy. Actually I have this issue solved. 

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Sudheer2
by New Contributor III
  • 2832 Views
  • 2 replies
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Updating SQL Warehouse using Terraform

Manual ApproachWe can Update SQL Warehouse manually in Databricks.Click SQL Warehouses in the sidebarIn Advanced optionsWe can find Unity Catalog toggle button there! While Updating Existing SQL Warehouse in Azure to enable unity catalog using terraf...

warehouse error.png
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Latest Reply
Sudheer2
New Contributor III
  • 2 kudos

Hello Raphael,Thank you for the update and for looking into the feature request. I appreciate your efforts in following up on this matter.If possible, could you please provide me with any updates or insights you receive from the Terraform team regard...

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1 More Replies
harripy
by New Contributor III
  • 1687 Views
  • 1 replies
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AWS Databricks SQL to support TABLE rename

We have been evaluating Databricks SQL and its capability to be used as DW. We are using Unity catalog in our implementation.There seems to be a functionality mismatch between Azure and AWS versions as where table rename is supported on Azure side, i...

  • 1687 Views
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Latest Reply
harripy
New Contributor III
  • 0 kudos

This seems to be fixed now

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Billycheng
by New Contributor
  • 2618 Views
  • 1 replies
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QuotaExceeded

Hi, I am a newbie. Can someone please help me with the below? Details for the latest failure: Error: Error code: QuotaExceeded, error message: Operation could not be completed as it results in exceeding approved standardEDSv4Family Cores quota. Addit...

  • 2618 Views
  • 1 replies
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Latest Reply
Elenorelen
New Contributor II
  • 0 kudos

Thanks for the information

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