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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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SailajaB
by • Valued Contributor III
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Resolved! How to pass a variable which holds a value to child notebook using run command

Hello,We have 3 notebooks as below. And trying to send a variable where we pass the value to it via job to child notebook with %run commandNotebooks:notebook_par,notebook_child1 and notebook_child2.In parent note book we are calling notebook_child1 u...

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Anonymous
Not applicable
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Hey there @Sailaja B​ How's it going?Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Chee...

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prasadvaze
by • Valued Contributor II
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When to use delta lake versus relational database as a source for BI reporting?

Assume all of your data exists in delta tables and also in SQL server so you have a choice to report from either. Can someone share thoughts on "In what scenario you would not want report created from delta table and instead use the traditional rel...

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PCJ
New Contributor II
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Hi @Kaniz Fatma​  - I would like a follow-up on @prasad vaze​ question regarding unsupported referential integrity. How does one work around that, using best practices as Databricks sees it?

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Tahseen0354
by • Contributor III
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Resolved! Getting "Job aborted due to stage failure" SparkException when trying to download full result

I have generated a result using SQL. But whenever I try to download the full result (1 million rows), it is throwing SparkException. I can download the preview result but not the full result. Why ? What happens under the hood when I try to download ...

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rpshgupta
New Contributor III
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I am also having this issue again and again. I really want to understand what can we do to avoid this?

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Steveo
by • New Contributor II
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In Databricks, when saving a query, the changes do no persist. Any advice?

When returning to the query, the changes have reverted.Is this because the query is open by another user?How can this be resolved? #databricks

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Steveo
New Contributor II
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We ARE using the save feature. But we are still loosing changes. Is this because we have multiple Databricks tabs open in separate Chrome browsers? Across 2 users.

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gazzyjuruj
by • Contributor II
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Resolved! Failed to start cluster

Hi, I ran the cluster more than 5-6 times with it failing to start since this past morning (about 11-12 hours now) since i'm facing this problem.Attaching screenshot below and also typing in case someone comes from the web to this thread in future.Pr...

IMG_2152 IMG_2151
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worthpicker
New Contributor II
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The cluster will be able to start and the nodes will automatically obtain the updated cluster configuration data.

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Anonymous
by • Not applicable
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7 Steps For Mobile Banking App Development Banking industry experts have predicted that as soon as the pandemic is over, the banking institutions will...

7 Steps For Mobile Banking App DevelopmentBanking industry experts have predicted that as soon as the pandemic is over, the banking institutions will have to reform hooeyapps their operations by inclining towards digital banking. In the recent past, ...

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Siegel_Af_
by • New Contributor
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playcasinosnj.com

One of the best platforms where you can find games like online slots is https://playcasinosnj.com/. It is in my opinion the safest site to find the games that suit you. I also had the chance to try out the different games and they all worked for me. ...

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labromb
by • Contributor
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Converting a text widget to a list

Hi, Been working on some parallel notebook code, which I have ported to python from the example on the DB website and added some exception handling and that works fine. What I would like to do is paramterise the input but am not succeeding as the fun...

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zach
by • New Contributor III
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Does Databricks have a google cloud Big Query equivalent of --dry_run to estimate costs before executing?

Databricks uses DBU's as a costing unit whether based onto of AWS/Azure/GCP and I want to know if Databricks has a google cloud Big Query equivalent of --dry_run for estimating costs? https://cloud.google.com/bigquery/docs/estimate-costs

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Kaniz_Fatma
Community Manager
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Hi @zach welshman​ ​, We haven’t heard from you on the last response from @Werner Stinckens​, and I was checking back to see if you have a resolution yet. If you have any solution, please share it with the community as it can be helpful to others. Ot...

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alonisser
by • Contributor
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  • 7 kudos

Failing to install a library from dbfs mounted storage (adls2) with pass through credentials cluster

We've setup a premium workspace with passthrough credentials cluster , while they do work and access my adls gen 2 storageI can't make it install a library on the cluster from there. and keeping getting"Library installation attempted on the driver no...

Data Engineering
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alonisser
Contributor
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Sorry I can't figure this out, the link you've added is irrelevant for passthrough credentials, if we add it the cluster won't be passthrough, Is there a way to add this just for a specific folder? while keeping passthrough for the rest?

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Taha_Hussain
by • Valued Contributor II
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  • 0 replies
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Databricks Office Hours Register for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for Ju...

Databricks Office HoursRegister for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for June 22nd from 8:00 am - 9:00am PT.This is your opportunity to connect directly with our experts to ask any...

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sreedata
by • New Contributor III
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Resolved! Databricks -->Workflows-->Job Runs

In Databricks -->Workflows-->Job Runs we have a column "Run As".From where does this value come. We are getting a user id here but need to change it to a generic account. Any help would be appreciated. Thanks

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Anonymous
Not applicable
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I appreciate the information and advice you have shared.DNAHRBlock.com

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wyzer
by • Contributor II
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Resolved! Unable to delete a DBFS folder

Hello everyone,I've created by error a DBFS folder named : ${env]But when I run this command :dbutils.fs.rm("/mnt/${env]")It returns me this error : java.net.URISyntaxException: Illegal character in path at index 12: /mnt/$%7Benv]How can I do please ...

Data Engineering
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User16764241763
Honored Contributor
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Hello @Salah K.​ Can you try below?%sh rm -r /dbfs/mnt/$\{env\]

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