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Connect with fellow community members to discuss general topics related to the Databricks platform, industry trends, and best practices. Share experiences, ask questions, and foster collaboration within the community.
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Forum Posts

Sudheer2
by New Contributor III
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Issue with Adding New Members to Existing Groups During Migration in User group Service Principle

 Hi all,I have implemented a migration process to move groups from a source workspace to a target workspace using the following code. The code successfully migrates groups and their members to the target system, but I am facing an issue when it comes...

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Walter_C
Databricks Employee
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I have provided response in https://community.databricks.com/t5/get-started-discussions/migrating-service-principals-from-non-unity-to-unity-enabled/m-p/103017#M4679 

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Tanay
by New Contributor II
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Resolved! Why does a join on (df1.id == df2.id) result in duplicate columns while on="id" does not?

Why does a join with on (df1.id == df2.id) result in duplicate columns, but on="id" does not?I encountered an interesting behavior while performing a join on two Data frames. Here's the scenario: df1 = spark.createDataFrame([(1, "Alice"), (2, "Bob"),...

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szymon_dybczak
Contributor III
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Hi @Tanay , Your intuition is correct here. In Apache Spark, the difference in behavior between on (df1.id == df2.id) and on="id" in a join stems from how Spark resolves and handles column naming during the join operation.When you use the first synta...

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Roig
by New Contributor
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Create multiple dashboard subscription with filters

Hi Databricks community, We developed a dashboard that surfaces up several important KPIs for each project we have.In the top filter, we select the project name and the time frame and the dashboard will present the relevant KPIs and charts. I can eas...

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Alberto_Umana
Databricks Employee
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You can achieve this by setting up different schedules for each project and specifying the default filter values accordingly   Create the Dashboard: Ensure your dashboard is set up with the necessary filters, including the project filter.   Set Defau...

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hprasad
by New Contributor III
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Databricks Champions Sign-Up Page Failing or Throwing Error

Following link is throwing error when tried to Sign-Uphttps://advocates.databricks.com/users/sign_up?join-code=community 

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Alberto_Umana
Databricks Employee
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Let me check on this internally, I am not sure if this actually requires invitation. 

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Nicolas_Izidoro
by New Contributor
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Não estou conseguindo logar na minha conta Databricks communit

Galera não consigo logar na minha conta Databricks Communit fala que meu email não tem nada criado nele, mas eu tenho essa conta a um bom tempo já e nunca me ocorreu isso, já até tentei criar uma outra conta com esse mesmo email, mas não consigo cria...

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Nicolas_Izidoro
New Contributor
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infelizmente Não tenho nenhuma url

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gluedhawkeye
by New Contributor
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Calling the w.genie function throws a "API is not yet supported in the workspace" error. [0.39.0]

Hi everyone,I've been trying to call the databricks genie function, but even on the latest build, it throws the error stating: w.genie API is not yet supported in the workspace.Here is the output of the logs:> {> "content": "**REDACTED**"> }< {< "err...

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filipniziol
Contributor III
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Hi @gluedhawkeye ,I tested this on my own and getting the same error:This is the same code as used here, but they have an info "This script implements an experimental chatbot that interacts with Databricks' Genie API, which is currently in Private Pr...

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Richie1602
by New Contributor
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Issue with Percentage Calculation in Power BI Using Databricks as Source

Hi everyone,I've created a financial summary report in Power BI, and my source is Databricks. I have created a view for each financial metric name along with the calculations. All my amount fields are accurate, but when calculating percentages, I’m g...

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Walter_C
Databricks Employee
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Hello Richie,In Databricks, you can use a combination of NULLIF and COALESCE functions to handle divide-by-zero scenarios effectively. Here's an example of how you can modify your percentage calculation:   SELECT MetricNo, MetricName, Amo...

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sahil_s_jain
by New Contributor
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GRPC call are not getting through on Databricks 15.4 LTS

Hi Team,I have updated spark version from 3.3.2 to 3.5.0 and switched to Databricks 15.4 LTS from 12.2 LTS so as to get Spark 3.5 version on the Databricks compute. We have moved from uploading libraries on DBFS to uploading libraries to Volumes as 1...

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Walter_C
Databricks Employee
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And this was working before is it correct? When the init was hosted in DBFS

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roshan_robert
by New Contributor II
  • 417 Views
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[JAVA_GATEWAY_EXITED] Java gateway process exited before sending its port number.

Hi Team,In a streamlit app (in databricks) while creating the spark session getting below error, this is happening when running the app via web link."[JAVA_GATEWAY_EXITED] Java gateway process exited before sending its port number"Below is the code u...

  • 417 Views
  • 6 replies
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Alberto_Umana
Databricks Employee
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Per looking internally I see that Spark (Context) is not available in Apps The recommended way would be to use our available SDKs and connect to Clusters/DBSQL. No spark context is available- it’s meant to defer processing to other compute it can con...

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h_h_ak
by Contributor
  • 247 Views
  • 4 replies
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Resolved! Understanding Autoscaling in Databricks: Under What Conditions Does Spark Add a New Worker Node?

I’m currently working with Databricks autoscaling configurations and trying to better understand how Spark decides when to spin up additional worker nodes. My cluster has a minimum of one worker and can scale up to five. I know that tasks are assigne...

  • 247 Views
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filipniziol
Contributor III
  • 2 kudos

Hi @h_h_ak ,Short Answer:Autoscaling primarily depends on the number of pending tasks.Workspaces on the Premium plan use optimized autoscaling, while those on the Standard plan use standard autoscaling.Long Answer:Databricks autoscaling responds main...

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MBhaskar
by New Contributor
  • 152 Views
  • 1 replies
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DESCRIBE Table and SHOW CREAT TABLE shows contradictory NULL constraints

SHOW CREATE TABLE provides correct NULL constraints details of each column where as DESCRIBE TABLE shows wrong NULL constraints details? 

  • 152 Views
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Alberto_Umana
Databricks Employee
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Yes, you are correct. The SHOW CREATE TABLE command provides accurate details about the NULL constraints for each column in a table, whereas the DESCRIBE TABLE command may show incorrect NULL constraints details. This discrepancy arises because SHOW ...

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RohithChippa
by New Contributor II
  • 335 Views
  • 7 replies
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Databricks cleanroom functionality and billing

I'm new to Databricks and have been tasked with exploring Databricks Clean Rooms. I'm a bit confused about how billing works for Clean Rooms and their overall functionality. Specifically, I'm curious about the following:Environment Hosting: Are Clean...

  • 335 Views
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RohithChippa
New Contributor II
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Is it adding foreign catalog table in datacleanroom feature also available after GA release, cause I tried it but was not able to see the foreign catalog in add data assets tab

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Kasen
by New Contributor III
  • 1983 Views
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Unable to grant catalog access to service principal

Hi everyone,I created a service principals called TestServicePrincipal. I tried to grant the catalog access to the service principals, but the error mentioned that it could not find principal with name TestServicePrincipal. If I grant the access to s...

Kasen_0-1715058248230.png Kasen_1-1715058284642.png
Community Platform Discussions
grant access
service principals
  • 1983 Views
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OYESPEEDY
New Contributor II
  • 0 kudos

The issue could be related to how the service principal is being resolved in your system. Unlike users, service principals are often registered in a directory (like Azure AD), and their names might not match what you’re using. Instead of using TestSe...

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DataYoga
by New Contributor
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Informatica ETLs

I'm delving into the challenges of ETL transformations, particularly moving from traditional platforms like Informatica to Databricks. Given the complexity of legacy ETLs, I'm curious about the approaches others have taken to integrate these with Dat...

  • 3096 Views
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thelogicplus
New Contributor III
  • 0 kudos

@DataYoga , you may explore the tool and services from Travinto Technologies . They have very good tools. We had explored their tool for our code coversion from  Informatica, Datastage and abi initio to DATABRICKS , pyspark. Also we used for SQL quer...

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