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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

829023
by Databricks Partner
  • 2966 Views
  • 2 replies
  • 1 kudos

Databricks federation query why not support Oracle Database?

Hi,Based on the documents(https://docs.databricks.com/en/query-federation/index.html), Databricks federation query is not support Oracle for source. 1. Did you guys know the reason? (Is it depends on Oracle's speciality?)2. Is there another way to ru...

  • 2966 Views
  • 2 replies
  • 1 kudos
Latest Reply
VZLA
Databricks Employee
  • 1 kudos

@829023 There's limited support with respect to the pushdown and data types mapping as documented in our website: https://docs.databricks.com/en/query-federation/oracle.htmlThis was published recently, I believe in October, given your question was ra...

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NhanNguyen
by Contributor III
  • 1386 Views
  • 2 replies
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Table Properties different for liquid clustering with Databricks version.

Dear all,Today, I tried the liquid clustering in Databricks, but after running it with two Databricks engine version, it showed different properties in the catalog explorer.1. Run with DBR version 14.3 LTS (includes Apache Spark 3.5.0, Scala 2.12) it...

  • 1386 Views
  • 2 replies
  • 0 kudos
Latest Reply
VZLA
Databricks Employee
  • 0 kudos

Correct, like @holly rightly said this is just an updated way of representing the columns in a more structured or updated manner, it may also be matching a new value type. In both cases the table property is reflecting that LC was enabled. Our sugges...

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Flying_Rico
by Databricks Partner
  • 3124 Views
  • 3 replies
  • 0 kudos

Passing Parameters in a Workflow pipeline

Hello Mates,I’m currently working on four workflows, all of which are connected to my own notebook.The four workflows should be started automatically one after the other and the only point that should be passed is the output of Workflow 1.The workflo...

  • 3124 Views
  • 3 replies
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Yes the problem is that the .set and .get function works within the same job run, it does not pass to another job

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dollyb
by Contributor II
  • 3411 Views
  • 6 replies
  • 1 kudos

Logging to an external location via UC volume

The way I understand it, mount points are deprecated in UC. db.fs.mount() doesn't even seem to work in newer DB runtimes.But what is the solution when Databricks features don't allow using UC volumes? E.g. specifying a compute's logging path won't wo...

  • 3411 Views
  • 6 replies
  • 1 kudos
Latest Reply
Walter_C
Databricks Employee
  • 1 kudos

As you cannot use volumes it seems that indeed this will be your only option

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Arihant
by New Contributor
  • 7946 Views
  • 1 replies
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Unable to login to Databricks Community Edition

Hello All,I have successfully created a databricks account and went to login to the community edition with the exact same login credentials as my account, but it tells me that the email/password are invalid. I can login with these same exact credenti...

  • 7946 Views
  • 1 replies
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Latest Reply
Advika_
Databricks Employee
  • 0 kudos

Hello Arihant!You can find helpful resources for Databricks Community Edition here. If the available resource doesn’t resolve your concern, feel free to submit a ticket with Databricks Support team for further assistance. Thank you.

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17abhishek
by New Contributor III
  • 2370 Views
  • 2 replies
  • 1 kudos

HOW TO SKIP A STEP FROM AN EXISTING WORKFLOW

Hi, can any one guide me in below scenario:Suppose we have created a workflow with 10 steps and our batches are running properly but due to some business requirement/testing purpose we have to skip step 4 and run the rest of job from step 5 onwords t...

  • 2370 Views
  • 2 replies
  • 1 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @17abhishek ,You can try if/else conditions between the tasks with a Job parameter of "IsActiveTask" with a True or False.But it would be great if databricks team just add ability to simply disable some task from UI.

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HaydenZhou
by New Contributor II
  • 1640 Views
  • 3 replies
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DBR 16.0 spark read Azure Blob file Failed.

   ala:570) at com.databricks.backend.daemon.driver.DriverWrapper.run(DriverWrapper.scala:354) at java.base/java.lang.Thread.run(Thread.java:840) Caused by: java.lang.NullPointerException at java.base/java.lang.Class.forName0(Native Method) at java.b...

HaydenZhou_0-1733888933565.png
  • 1640 Views
  • 3 replies
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Latest Reply
HaydenZhou
New Contributor II
  • 0 kudos

I had find the solustion of this problem. Close this Post.

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Tonny_Stark
by New Contributor III
  • 18164 Views
  • 7 replies
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FileNotFoundError: [Errno 2] No such file or directory: when I try to unzip .tar or .zip files it gives me this error

Hello, how are you? I have a small problem. I need to unzip some .zip, tar files. and gz inside these may have multiple files trying to unzip the .zip files i got this errorFileNotFoundError: [Errno 2] No such file or directory: but the files are in ...

error
  • 18164 Views
  • 7 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Alfredo Vallejos​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feed...

  • 1 kudos
6 More Replies
SimonXu
by Databricks Partner
  • 16117 Views
  • 7 replies
  • 15 kudos

Resolved! Failed to launch pipeline cluster

Hi, there. I encountered an issue when I was trying to create my delta live table pipeline. The error is "DataPlaneException: Failed to launch pipeline cluster 1202-031220-urn0toj0: Could not launch cluster due to cloud provider failures. azure_error...

cluster failed to start usage and quota
  • 16117 Views
  • 7 replies
  • 15 kudos
Latest Reply
Yaadhu
New Contributor II
  • 15 kudos

you can create the pool instance in the databricks under compute/pool and assign the value in the json of the DLT pipeline. With this, we will control on pool min workers and max workers and the reuse of the pools available by other pipelines. "node_...

  • 15 kudos
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amoralca
by New Contributor
  • 10699 Views
  • 4 replies
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Exploring the Use of Databricks as a Transactional Database

Hey everyone, I’m currently working on a project where my team is thinking about using Databricks as a transactional database for our backend application. We're familiar with Databricks for analytics and big data processing, but we're not sure if it’...

  • 10699 Views
  • 4 replies
  • 0 kudos
Latest Reply
movmarcos
New Contributor II
  • 0 kudos

I have a similar situation in my data quality check process. During this stage, I frequently find errors or potential issues that can stop the pipeline. Each of these errors requires manual intervention, which might involve making edits or supplying ...

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pora
by New Contributor
  • 5396 Views
  • 1 replies
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Databricks:null error message: Cannot resolve hostname: Caused by: UnknownHostException

Hello,We are suddenly getting following error message while running any code from Databricks which is accessing Blob storage.We checked our App registration key and it's not expired.If we run to "dbutils.fs.mount" and we are able to get some info and...

  • 5396 Views
  • 1 replies
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Latest Reply
VZLA
Databricks Employee
  • 0 kudos

Hi @pora , just checking if this is still an issue, otherwise where is help still required? Could you also please elaborate on the setup and requirement.

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ranged_coop
by Valued Contributor II
  • 5756 Views
  • 1 replies
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Understanding and loading SQL Server Temp Tables from Databricks

Hi everyone...Came across this question in Stackoverflow and wanted to try my hand in trying it. Unfortunately I have not been able to fix it...https://stackoverflow.com/questions/78953930/create-and-load-sql-server-temp-table-table-or-table-from-dat...

  • 5756 Views
  • 1 replies
  • 0 kudos
Latest Reply
VZLA
Databricks Employee
  • 0 kudos

Hi @ranged_coop , thanks for your question!Just checking if you were able to make progress, how far you were able to get and if still needing assistance ?

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Tham99
by New Contributor
  • 4366 Views
  • 2 replies
  • 0 kudos

Failure to locate configuration file when using spark-submit task

Hello,We are trying to run a job with a spark-sumit task on cluster mode, this spark submit task requires a configuration file application.conf that we provide using --files flag option in the spark-submit parameters and put an alias on it using \#ap...

  • 4366 Views
  • 2 replies
  • 0 kudos
Latest Reply
VZLA
Databricks Employee
  • 0 kudos

@Tham99 would it be possible to share the java.io.FileNotFoundException stacktrace? And refernece from the Driver log about the file localization process.

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robertkoss
by New Contributor III
  • 6650 Views
  • 3 replies
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Databricks Autoloader Schema Evolution throws StateSchemaNotCompatible exception

I am trying to use Databricks Autoloader for a very simple use case:Reading JSONs from S3 and loading them into a delta table, with schema inference and evolution.This is my code:self.spark \ .readStream \ .format("cloudFiles") \ .o...

Data Engineering
autoloader
spark
  • 6650 Views
  • 3 replies
  • 0 kudos
Latest Reply
Nes_Hdr
New Contributor III
  • 0 kudos

@robertkoss I have the exact same problem... have you found a solution ?  

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NarenderKumar
by New Contributor III
  • 17141 Views
  • 3 replies
  • 4 kudos

Resolved! Unable to read data from ADLS using databricks serverless sql pool

I have a data bricks workspace and an Azure data lake storage account.Both are present in the same Vnet.Unity catalog is enabled in the worksapce.I have created some tables in unity catalog.I am able to query the data from the tables when I use the a...

  • 17141 Views
  • 3 replies
  • 4 kudos
Latest Reply
saiV06
New Contributor III
  • 4 kudos

I'm having the same issue and tried to follow the document shared above, but quite not sure what I'm missing, as I can't make it work. Can someone please help me here? TIA.

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