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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
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source2sea
by Contributor
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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
  • 4182 Views
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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
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Databricks Free Edition + dbt cloud

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

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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
  • 553 Views
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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 ...

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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
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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
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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

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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
  • 2014 Views
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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...

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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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Torch3333
by New Contributor II
  • 603 Views
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How to connect to the community edition using JDBC

Hi,Is it possible to connect to the Community Edition using JDBC?On the web dashboard, in the "compute" instance parameters, there are details about a JDBC connection string, but it is templated to use a PAT. Though I've read in other posts that PAT ...

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Louis_Frolio
Databricks Employee
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Torch3333, keep an eye out next week for announcments at DAIS26.  I can't reveal anything but you question will have a definite answer.  Cheers, Lou.

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Curious-mind
by New Contributor II
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Resolved! Best option for configuring Data Storage for Serverless SQL Warehouse

Hello!I'm new to Databricks.Assume, I need to migrate 2 Tb Oracle Datamart to Databricks on Azure. Serverless SQL Warehouse seems as a valid choice.What is a better option ( cost vs performance) to store the data?Should I upload Oracle Extracts to Az...

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Shua42
Databricks Employee
  • 3 kudos

@Curious-mind  You got it. Running the COPY INTO is good for the initial load as it's optimized for bulk loads. You'll want to use Auto-loader going forward to incrementally process new rows.

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katiej02
by New Contributor II
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Delta Sharing Inquiry: Requests from Databricks SQL Editor

Hi, I am trying to test our delta sharing server using UC in our workspace.We noticed that when we execute a query, for example: SELECT COUNT(1) FROM table_name WHERE col1 = 'value' , it sends two /query requests to our server. The first request has ...

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katiej02
New Contributor II
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Hi, we understand that the client performs a two-phase query planning process. In our case, the table has around 145,000 Parquet files, and we've observed that the first request becomes a significant bottleneck: the response body is large (655 MB) an...

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dougtrajano
by New Contributor III
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Resolved! How does the AI/BI Dashboard Custom Calculations feature actually work?

I am trying to compute the market_share measure using the Custom Calculations functionality in the AI/BI Dashboard.My dataset looks like this:empresa (company): The name of the company.acessos (accesses): Count of access.My Custom Calculation express...

Screenshot 2025-05-18 at 12.00.04 PM.png Screenshot 2025-05-18 at 12.00.37 PM.png
  • 8844 Views
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dougtrajano
New Contributor III
  • 2 kudos

Actually, I was able to do that using the AI/BI Dashboard.I created query-based parameters and computed the market share in my own SQL Query.

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attie_bc
by New Contributor III
  • 1957 Views
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Resolved! Can't connect to Atlas

I have this:connectionString='mongodb+srv://user:pw@something.jghu.mongodb.net/?retryWrites=true&w=majority&appName=dbricks&tls=true' database='dealflow' collection='activities' frame = spark.read.format("mongodb") \ .option("spark.mongodb.read....

  • 1957 Views
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Isi
Honored Contributor III
  • 1 kudos

hey @attie_bc I guess you are using All-pourpouse cluster, have you triedcurl https://www.google.comMaybe your cluster doesn’t have internet access? If that’s the case, DNS resolution for your MongoDB Atlas SRV connection string will fail, which woul...

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Akshay_Petkar
by Valued Contributor
  • 877 Views
  • 1 replies
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How to Create Parameter-Based Dynamic Charts in Databricks AI/BI Dashboard

I am currently building a dashboard in Databricks AI/BI and would like to implement a parameter-based chart selection feature. The goal is to allow users to choose a metric from a dropdown (such as Sales, Cost, or Profit), and based on that selection...

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Louis_Frolio
Databricks Employee
  • 2 kudos

Here is something to consider: To implement a parameter-based chart selection feature in a Databricks AI/BI dashboard, follow these steps: Utilize Dashboard Parameters to Drive Dynamic Updates: Databricks dashboards support the use of parameters to ...

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Kirki
by New Contributor II
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MongoDB Spark Connection Issues

Hi. I have a local MongoDB running on an EC2 instance in the same AWS VPC as my Databricks cluster but cannot get Databricks to talk to MongoDB. I've followed the guide at https://docs.databricks.com/aws/en/connect/external-systems/mongodb and have a...

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Latest Reply
Isi
Honored Contributor III
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Hey @Kirki maybe its late but I will try to help you or others to create these connectionsFirst thing make sure you have installed inside your cluster the connector org.mongodb.spark:mongo-spark-connector_2.12:3.0.1You can use directly in your spark....

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bferrell
by New Contributor II
  • 2818 Views
  • 6 replies
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Connecting to SQL Warehouse in Custom App

I've got a custom Dash app I've written and am attempting to deploy. It runs fine on my local machine (while accessing my DB SQL Warehouse), but when I try deploying to Databricks, it cannot connect to the data for some reason. I was basically follow...

  • 2818 Views
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Isi
Honored Contributor III
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We can wait till you check the permissions @bferrell @bferrell Best regards,Isi

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