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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

BalaRamesh
by New Contributor II
  • 1379 Views
  • 3 replies
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Delta Live tables - If there is no target schema defined , where live tables will create.

Currently i am working Delta live tables.  one of  my ex - team member designed the job and they did not defined in target schema as empty  in destinations (settings -->destination ---> Target Shema). where delta live tables will create if it is empt...

BalaRamesh_0-1746779647873.png
  • 1379 Views
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MuthuLakshmi
Databricks Employee
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@BalaRamesh If you have catalog specified, there will be storage location for that and you will see this MV created there.Refer to this doc to understand about storage location: https://docs.databricks.com/aws/en/connect/unity-catalog/cloud-storage/m...

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eyalo
by New Contributor II
  • 2556 Views
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Ingest from FTP server doesn't work

Hi,I am trying to connect my FTP server and store the files to a dataframe with the following code:%pip install ftputilfrom ftputil import FTPHostHost = "92.118.67.49"Login = "StrideNBM-DF_BO"Passwd = "Sdf123456"ftp_dir = "/dwh-reports/"with FTPHost(...

  • 2556 Views
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Kayla
Valued Contributor II
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I'm afraid I don't have an answer, and I know this is an old post, but if you haven't already, I'd recommend changing the password if that is/was a genuine password.

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Sudheerreddy25
by New Contributor II
  • 8291 Views
  • 8 replies
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Resolved! Regarding Exam got Suspended at middle without any reason.

Hi Team,My Databricks Certified Data Engineer Associate (Version 3) exam got suspended on 25th August and it is in progress state.I was there continuously in front of the camera and suddenly the alert appeared, and support person asked me to show the...

  • 8291 Views
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Latest Reply
Sneha2
New Contributor II
  • 1 kudos

Hi Team ,During the exam, I was asked to show my room from all four sides, which I did promptly. There was no one else in my room, no background noise, and no inappropriate behavior or activity of any kind.Despite my compliance, my exam was unexpecte...

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alsetr
by Databricks Partner
  • 1106 Views
  • 1 replies
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Disable Databricks-generated error messages

Since Databricks Runtime 12.2 Databricks started to wrap spark exceptions in their own exceptions.https://learn.microsoft.com/en-us/azure/databricks/error-messages/While for some users it might be handy, for our team it is not convinient, as we canno...

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-werners-
Esteemed Contributor III
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Databricks does not use vanilla spark.They added optimizations like the AQE, unity catalog etc.So looking for the error in the spark source code will not always work (in a lot of cases it will)

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deano2025
by New Contributor II
  • 2354 Views
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Resolved! How to create an external location that accesses a public s3 bucket

Hi,I'm trying to create an external location that accesses a public s3 bucket (for open data). However, I'm not having any success. I'm confused to what to specify as the storage credential (IAM role) since its a public bucket that is out of my contr...

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deano2025
New Contributor II
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Thanks @Isi Now that you've explained external locations, I think it does indeed make sense that they are probably unnecessary in this case. Thanks for clarifying!

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carlos_tasayco
by Contributor
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Materializing tables in custom schemas is not supported.

Hello,I have been seeing this:https://www.databricks.com/blog/publish-multiple-catalogs-and-schemas-single-dlt-pipelineNow dlt pipelines support multiple schemas, however is not working my case:Did I do something wrong?Thanks in advance 

carlos_tasayco_0-1742491316716.png carlos_tasayco_1-1742491343464.png
  • 1810 Views
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MauricioS
Databricks Partner
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Hi Carlos,Hope you are doing well, did you get any update on this issue, I'm currently running into the same problem.

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hims_2021
by New Contributor
  • 1219 Views
  • 1 replies
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Unable to export object using /api/2.0/workspace/export API

Hi ,I was using /api/2.0/workspace/export API in power automate workflow to export to excel from data brick to sharepoint. This functionality was working fine till yesterday. Today onwards it is throwing below error while calling the APIAction 'HTTP_...

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lingareddy_Alva
Esteemed Contributor
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@hims_2021 This error indicates an encoding issue when trying to export an Excel file from Databricks to SharePoint via Power Automate. The specific error message about being "Unable to translate bytes [9A] at index 11" suggests that Power Automate i...

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804082
by New Contributor III
  • 7012 Views
  • 8 replies
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Resolved! DLT Direct Publishing Mode

Hello,I'm working on a DLT pipeline and have a block of SQL that runs...USE CATALOG catalog_a; USE SCHEMA schema_a; CREATE OR REFRESH MATERIALIZED VIEW table_a AS SELECT ... FROM catalog_b.schema_b.table_b;Executing this block returns the following.....

  • 7012 Views
  • 8 replies
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Latest Reply
Dorsey
New Contributor II
  • 2 kudos

I'm in EastUS and i don't have that option on my previews page. Also it only works with serverless?

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moski
by New Contributor II
  • 17596 Views
  • 9 replies
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Databricks short cut to split a cell

Is there a shortcut to split a cell into two in Dtabricks notebook as in Jupiter notebook? in jupyter notebook it is Shift/Ctr/-

  • 17596 Views
  • 9 replies
  • 8 kudos
Latest Reply
Harshjot
Contributor III
  • 8 kudos

 Hi @mundy Jim​ / All, Attached are two snapshots so first snapshot with one cell if pressed Ctrl+Alt+Minus split into two.  

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LearnDB1234
by New Contributor III
  • 3263 Views
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Resolved! How to Update Identity Column for a Databricks Table

Hi All,I have a databricks table with the below DDL:CREATE TABLE default.Test ( ID BIGINT GENERATED ALWAYS AS IDENTITY (START WITH 1 INCREMENT BY 1), StopFromDateTime TIMESTAMP, StopToDateTime TIMESTAMP, User STRING) USING delta TBLPROPERTIE...

  • 3263 Views
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Latest Reply
pdiamond
Contributor
  • 1 kudos

If you recreate the table using BIGINT GENERATED BY DEFAULT  instead of BIGINT GENERATED ALWAYS you can manipulate the column values."When using the clause GENERATED BY DEFAULT AS IDENTITY, insert operations can specify values for the identity column...

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ramyav7796
by New Contributor II
  • 2298 Views
  • 1 replies
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add custom logs and save in a folder logs

Hi,I am trying to add custom logging functionality for my code. Please refer to the code I am using, I am trying to save my log files by creating a logs folder in my users workspace. My intent is to store dynamic custom log files each time I run my n...

  • 2298 Views
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Latest Reply
Louis_Frolio
Databricks Employee
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Here are some suggestions for your consideration.   The issue with your custom logging setup seems to stem from attempting to save the log files in a path under "/Workspace/Users/ramya.v@point32health.org/CD/", which is not directly writable by your ...

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User16826994223
by Databricks Employee
  • 3278 Views
  • 2 replies
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Does Databricks have a data processing agreement?

Does Databricks have a data processing agreement?

  • 3278 Views
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Latest Reply
liam_noah
New Contributor II
  • 1 kudos

Yes, Databricks typically provides a Data Processing Agreement (DPA) to comply with data protection regulations like GDPR. It's important for businesses to thoroughly review these agreements to ensure alignment with their data privacy policies. You c...

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hadoan
by New Contributor II
  • 2361 Views
  • 3 replies
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How to define DLT table with cyclic reference

 @Dlt.table def table_A(): return ( dlt.read_stream(...) ) @dlt.table def table_join_A_and_C(): df_A = dlt.read_stream(table_A) df_C = dlt.read_stream(table_C) return ( ....df_A.join(df_C) ) @dlt.table def table_C(): return ( ...

  • 2361 Views
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Latest Reply
dilipdiwakar
Databricks Partner
  • 1 kudos

Could you please describe best approach here. Thanks

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Dejian
by New Contributor II
  • 2453 Views
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DLT Append Flow Parameterization

Hi All,I'm currently using DLT append flow to merge multiple streaming flows into one output.While trying to make the append flow into a dynamic function for scalability, the dlt append flow seem to have some errors.stat_table = f"{catalog}.{bronze_s...

  • 2453 Views
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Latest Reply
Louis_Frolio
Databricks Employee
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The error you're encountering occurs because Delta Live Tables (DLT) append flows currently do not support streaming aggregations or other transformations on streaming DataFrames unless a watermark is applied properly to handle late data. Based on yo...

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AntonDBUser
by New Contributor III
  • 5091 Views
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Oracle Lakehouse Federaton with CA Certificate

Hi!We have been pulling data from Oracle to Databricks by installing Oracle Driver and certificates directly in the cluster. We are now looking into using Lakehouse Federation for Oracle instead, but it seems like the connection doesn't pick up the c...

  • 5091 Views
  • 1 replies
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Latest Reply
Isi
Honored Contributor III
  • 0 kudos

Hi @AntonDBUser ,Thanks for sharing your experience, we’re looking into using Lakehouse Federation with Oracle too.I haven’t tested this myself, but one idea that came to mind is whether switching from a serverless cluster to a standard (Pro) cluster...

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