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Forum Posts

sravs1
by New Contributor II
  • 2447 Views
  • 4 replies
  • 5 kudos

Data Modelling

What is the 'implicit' or 'by default' data model of databricks or unity catalog ? Is it Data Vault ?

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Latest Reply
ZacharyHill
New Contributor II
  • 5 kudos

Thank you so much for the information. You made it easy for me.

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3 More Replies
Sa_1234
by New Contributor II
  • 748 Views
  • 3 replies
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Suggest ways to get unity catalog data to Aws s3 or sagemaker

Please suggest best ways to get databricks unity catalog data to Aws s3 or sagemaker. Data could be around 1gb in some tables and 20gb in others.currently sagemaker pipelines use data from s3 as batches in different parquet files. But now we would li...

  • 748 Views
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

You could try by using Delta Sharing with your provider as mentioned in doc https://docs.databricks.com/en/delta-sharing/set-up.html   

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inagar
by New Contributor
  • 954 Views
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Unable to capture the Query result via JDBC client execution

As shown in below screenshots MERGE INTO command produces information about the result (num_affected_rows, num_updated_rows, num_deleted_rows, num_inserted_rows).Unable to get this information when the same query is being executed via JDBC client. Is...

Screenshot 2024-06-26 at 1.30.19 AM.png Screenshot 2024-06-26 at 1.36.10 AM (1).png Screenshot 2024-06-26 at 1.45.23 AM.png
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NandiniN
Databricks Employee
  • 0 kudos

Delta API can help you get these details.  Reference - https://docs.databricks.com/en/delta/history.html#history-schema

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tigerhawkvok
by New Contributor
  • 1603 Views
  • 1 replies
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DIAS 2023 -- recommend the training!

Did the SparkUI training yesterday with Mark Ott, and I highly recommend it. It was super helpful and provided a lot of clarity around some of the vaguer terms and metrics, and some surprise penalties.In-memory partition size is the the main thing to...

  • 1603 Views
  • 1 replies
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Latest Reply
harshadsaglani
New Contributor II
  • 0 kudos

Hi, I can't find this course... can you please share the full name of this course? Thanks in advance 

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Demudu
by New Contributor II
  • 1181 Views
  • 3 replies
  • 4 kudos

Resolved! How to read Databricks UniForm format tables present in ADLS

We have Databricks UniForm format (iceberg) tables are present in azure data lake storage (ADLS) which has already integrated with Databricks unity catalog. How to read Uniform format tables using Databricks as a query engine?

  • 1181 Views
  • 3 replies
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Latest Reply
fmadeiro
Contributor II
  • 4 kudos

Query Using Unity Catalog:SQL:sqlCopiar códigoSELECT * FROM catalog_name.schema_name.table_name;PySpark:pythonCopiar códigodf = spark.sql("SELECT * FROM catalog_name.schema_name.table_name") df.display()Direct Access by Path: If not using Unity Catal...

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egndz
by New Contributor II
  • 8358 Views
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Cluster Memory Issue (Termination)

Hi,I have a single-node personal cluster with 56GB memory(Node type: Standard_DS5_v2, runtime: 14.3 LTS ML). The same configuration is done for the job cluster as well and the following problem applies to both clusters:To start with: once I start my ...

egndz_2-1712845742934.png egndz_1-1712845616736.png
  • 8358 Views
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raktim_das
by New Contributor II
  • 1555 Views
  • 2 replies
  • 1 kudos

Creating table in Unity Catalog with file scheme dbfs is not supported

 code:# Define the path for the staging Delta tablestaging_table_path = "dbfs:/user/hive/warehouse/staging_order_tracking"spark.sql( f"CREATE TABLE IF NOT EXISTS staging_order_tracking USING DELTA LOCATION '{staging_table_path}'" )Creating table in U...

  • 1555 Views
  • 2 replies
  • 1 kudos
Latest Reply
SaiPrakash_653
New Contributor II
  • 1 kudos

I believe, using mount point only we can able to connect to our storage account - containers. If this is anti pattern by data bricks what is the way? Can you please explain what is external location of UC is it our local system folders or something n...

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hiepntp
by New Contributor III
  • 1568 Views
  • 2 replies
  • 3 kudos

Resolved! Cannot find "Databricks Apps"

Hi, I saw a demo about "Databricks Apps" 2 months ago. I haven't used Databricks for about 3 months, and I recently recreated a Premium Workspace to try something out (I use Azure), however I can't find "Apps" when I click "New". How can I enable and...

  • 1568 Views
  • 2 replies
  • 3 kudos
Latest Reply
hiepntp
New Contributor III
  • 3 kudos

Thankyou, I found it.

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1 More Replies
GandinDaniel1
by New Contributor II
  • 699 Views
  • 4 replies
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Issue Querying Registered Tables on Glue Catalog via Data bricks

Im having an issue to query registered tables on glue catalog thru databricks with the following error: AnalysisException: [TABLE_OR_VIEW_NOT_FOUND] The table or view looker.ccc_data cannot be found.Verify the spelling and correctness of the schema a...

  • 699 Views
  • 4 replies
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

Can you specify the full catalog.schema.table? and also check the current schema SELECT current_schema();

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gabrielsantana
by New Contributor II
  • 541 Views
  • 2 replies
  • 1 kudos

Delete non-community Databricks account

Hi everyone!I have mistakenly created a non-community account using my personal email address.I would like to delete it in order to create a new account using my business email.How should I proceed? I tried to find this option on the console, with no...

  • 541 Views
  • 2 replies
  • 1 kudos
Latest Reply
Advika_
Databricks Employee
  • 1 kudos

Hello @gabrielsantana!Could you please try raising a ticket with the Databricks support team?

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vijaykumar99535
by New Contributor III
  • 4629 Views
  • 1 replies
  • 1 kudos

How to overwrite the existing file using databricks cli

If i use databricks fs cp then it does not overwrite the existing file, it just skip copying the file. Any suggestion how to overwrite the file using databricks cli?

  • 4629 Views
  • 1 replies
  • 1 kudos
Latest Reply
Swap
New Contributor II
  • 1 kudos

You can use the --overwrite option to overwrite your file.https://docs.databricks.com/en/dev-tools/cli/fs-commands.html

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gf
by New Contributor II
  • 777 Views
  • 1 replies
  • 1 kudos

Resolved! The databricks jdbc driver has a memory leak

https://community.databricks.com/t5/community-platform-discussions/memory-leak/td-p/80756 My question is the same as above Unable to upload pictures, I had to dictateQuestion from ResultFileDownloadMonitor. M_requestList parametersBecause is ResultFi...

  • 777 Views
  • 1 replies
  • 1 kudos
Latest Reply
Walter_C
Databricks Employee
  • 1 kudos

Hello @gf thanks for your question, it seems that this has been reported with Simba, but no fix has been provided yet, as a temporary workaround, you can consider using reflection to periodically clean up the m_requestList by removing KV pairs whose ...

  • 1 kudos
hari-prasad
by Valued Contributor II
  • 804 Views
  • 3 replies
  • 0 kudos

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 

  • 804 Views
  • 3 replies
  • 0 kudos
Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

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

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Sudheer2
by New Contributor III
  • 1015 Views
  • 5 replies
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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...

  • 1015 Views
  • 5 replies
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

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
  • 1288 Views
  • 1 replies
  • 1 kudos

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"),...

  • 1288 Views
  • 1 replies
  • 1 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

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...

  • 1 kudos

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