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RobsonNLPT
by Contributor III
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Databricks SQL Identifier Variables

Hi all.Just trying to implement adb sql scripts using identifier clause but I have errors like that using an example:DECLARE mytab = 'tab1'; CREATE TABLE IDENTIFIER(mytab) (c1 INT);The feature is not supported: Temporary variables are not yet support...

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adb sql identifier
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  • 1 replies
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shan_chandra
Databricks Employee
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@RobsonNLPT  - The feature development is still in place. Just the docs are released prior to the feature availability which is an usual process. The feature will be released on preview channel with a tentative ETA on Feb 20 as of now.  Alternatively...

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liefeld
by New Contributor
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Foreign catalogs aren't populated.

I've created connections to various RDS Aurora databases but always get the same problem - when creating a foreign catalog only the information_schema database is shown in Catalog Explorer.  The AI chat agent has made a few ways to specify the databa...

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wakutgba
by New Contributor
  • 2065 Views
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https://groups.google.com/g/ibm.software.network.directory-integrator/c/9ubZOuHJob4/m/JQAdpv5qAgAJ

https://feedback.azure.com/d365community/idea/e7289e29-26b4-ee11-92bc-000d3a037f01https://docs.google.com/document/d/1gVBMFUqZaVteXs9-DbZQmH1CYHajWe3EhU_h3MV4S-s/edithttps://support.google.com/looker-studio/thread/253656391https://bemorepanda.com/en/...

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questions
by New Contributor
  • 1992 Views
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Can only connect from tableau cloud using Compute Cluster

We are trying to connect tableau cloud to databricks.  We have a serverless sql warehouse and a pro warehouse, both of those warehouses are not able to connect.Can’t connect to DatabricksDetailed Error Message There was an unknown connection error to...

  • 1992 Views
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shan_chandra
Databricks Employee
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@questions  - It seems the current catalog is set to empty. can you please change the default catalog name to hive_metastore ?

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DB_Keith
by New Contributor
  • 1519 Views
  • 1 replies
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Data view in Side Panel

Does anyone know why I cannot see the Data view in the side panel under workspace.  I see catalog instead of data.  Is this something that has been upgraded?  

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shan_chandra
Databricks Employee
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@DB_Keith - Data Explorer is renamed to catalog Explorer. Please refer to the release notes.  https://learn.microsoft.com/en-us/azure/databricks/release-notes/product/2023/september#data-explorer-is-now-catalog-explorer

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hukel
by Contributor
  • 1472 Views
  • 1 replies
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Parsed Logical Plan report UnresolvedHint RANGE_JOIN

I'm new to RANGE_JOIN so this may be completely normal, but I'd like confirmation.Whenever I put a RANGE_JOIN hint in my query SELECT /*+ RANGE_JOIN(pr2, 3600) */ event.FirstIP4Record FROM SCHEMA_NAME_HERE.dnsrequest event INNER JOIN SC...

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shan_chandra
Databricks Employee
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@hukel  - The query above does not have a range join, the range filter is not a join condition and it is evaluated as a regular filter.  Please refer to the criteria on range join optimization for joins.  Have a condition that can be interpreted as ...

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SamAWS
by New Contributor III
  • 2585 Views
  • 1 replies
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DataFrame vs. Spark SQL

When should I use DataFrame over Spark SQL?If DataFrame is better, then why do I need Spark SQL?

  • 2585 Views
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shan_chandra
Databricks Employee
  • 1 kudos

@SamAWS - when you want to query the underlying data in the dataframe by creating a view or table, Spark SQL is preferred. Same can be achieved using pyspark by retaining them as a dataframe. Spark SQL is used by wider audience and easy to develop. 

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Amarjit
by New Contributor
  • 1412 Views
  • 1 replies
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Unable to create a Unity Catalog

https://accounts.azuredatabricks.net/data/createI am unable to access the above link to start with Unity Catalog.

  • 1412 Views
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Walter_C
Databricks Employee
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Are you an account admin? If you access to https://accounts.azuredatabricks.net/ are you able to see the console or just the workspaces that are currently available for you?

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Prashanthkumar
by New Contributor III
  • 1968 Views
  • 1 replies
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Is it possible to view Databricks cluster metrics using REST API

I am looking for some help on getting databricks cluster metrics such as memory utilization, CPU utilization, memory swap utilization, free file system using REST API.I am trying it in postman using databricks token and with my Service Principal bear...

Prashanthkumar_0-1705104692634.png
  • 1968 Views
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Latest Reply
Walter_C
Databricks Employee
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There is currently no option available to get this metrics available through API, but is coming soon.

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rgualans
by New Contributor
  • 3571 Views
  • 1 replies
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Unable to reconstruct state at version ? as the transaction log has been truncated

We have a small table, which undergoes a merge operation on a daily basis. This causes that currently the table has 83 versions.When trying to query this table, we receive the following error:      DeltaFileNotFoundException: dbfs:/mnt/XXXXX/warehous...

rgualans_0-1705078443409.png
  • 3571 Views
  • 1 replies
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Latest Reply
Lakshay
Databricks Employee
  • 1 kudos

It is difficult to say exactly what caused the issue as there are multiple underlying reasons. But as a general advice, you can try setting the "delta.checkpointRetentionDuration=7 days" and also you can try switching to a different DBR version to se...

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Databricks_Work
by New Contributor II
  • 2829 Views
  • 1 replies
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  • 2829 Views
  • 1 replies
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Lakshay
Databricks Employee
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Hi @Databricks_Work , Vacuum and Analzye are two separate commands that are used for optimizing the queries but they perform two different operations. Vacuum is used to clear the stale data files in your delta table. Vacuum should be run after a opti...

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itzme_rahul
by New Contributor II
  • 2913 Views
  • 4 replies
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Need reattempt to Certified Data Engineer Associate

Hello Team/ @Cert-Team ,I encountered Pathetic experience while attempting my 1st DataBricks certification. My exam got suspended within 10min  after starting my exam. Abruptly, Proctor asked me to show my desk, walls, room, wallet, id card, adapter,...

  • 2913 Views
  • 4 replies
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Latest Reply
KavonToy
New Contributor II
  • 0 kudos

Any update?

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kiko_roy
by Contributor
  • 4608 Views
  • 2 replies
  • 2 kudos

Resolved! DLT Unity catalog schema no storage location mention details

Hi TeamAs part of an earlier That I did with Databricks team , I got the info for that if one wants to dump the data in unity catalog schema from a DLT pipeline , The specific schema's Storage location must not be specified . else he DLT pipeline wil...

  • 4608 Views
  • 2 replies
  • 2 kudos
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kiko_roy
Contributor
  • 2 kudos

Thanks @Walter_C  for the explanation and confirming the understanding. Really Appreaciate

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