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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

jeremy98
by Honored Contributor
  • 1200 Views
  • 2 replies
  • 0 kudos

Submit new records from gold layer to postgres db

Hi community,I want to ask you which is the best practice in your opinion to fill the data from gold layer to postgres db that is used to provide "real-time" data to an UI interface?Thanks for any help!

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jeremy98
Honored Contributor
  • 0 kudos

Hello @hari-prasad, Thanks you for your answer, considers that we are using DLT Pipelines, is it a good choice in this case? Because actually I don't see with DLT Pipelines the metadata for these materialized tables in this case these CDF statements

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mkEngineer
by New Contributor III
  • 7779 Views
  • 1 replies
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Refresh options on PBI from Databricks workflow using Azure Databricks

Hi!I have a workflow that includes my medallion architecture and DLT. Currently, I have a separate notebook for refreshing my Power BI semantic model, which works based on the method described in Refresh a PowerBI dataset from Azure Databricks.  Howe...

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Alberto_Umana
Databricks Employee
  • 0 kudos

Hi @mkEngineer, Have you reviewed this documentation: https://learn.microsoft.com/en-us/azure/databricks/partners/bi/power-bi Also I don't think Serverless compute for Notebook will work for your connection with Power BI. You might need to setup a Se...

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Anonymous
by Not applicable
  • 60843 Views
  • 7 replies
  • 13 kudos

How to connect and extract data from sharepoint using Databricks (AWS) ?

We are using Databricks (on AWS). We need to connect to SharePoint and extract & load data to Databricks Delta table. Any possible solution on this ?

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yliu
New Contributor III
  • 13 kudos

Wondering the same.. Can we use Sharepoint REST API to download the file and save to dbfs/external location and read it? 

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Phani1
by Databricks MVP
  • 1280 Views
  • 1 replies
  • 1 kudos

Access the data from cross-cloud.

Hi All ,We have a use case  where we need to connect AWS Databricks to a GCP storage bucket to access the data. In Databricks We're trying to use external locations and storage credentials, but it seems like AWS Databricks only supports AWS storage b...

  • 1280 Views
  • 1 replies
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szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @Phani1 ,You can use delta sharing. In that way you can create share that will allow you to access data stored in GCS and it's govern by UC permissions model.What is Delta Sharing? | Databricks on AWSYou can also use legacy approach, but it doesn'...

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svm_varma
by New Contributor II
  • 5221 Views
  • 1 replies
  • 2 kudos

Resolved! Azure Databricks quota restrictions on compute in Azure for students subscription

Hi All,Regrading creating clusters in Databricks I'm getting quota error have tried to increase quotas in the region where the resource is hosted still unable to increase the limit, is there any workaround  or could you help select the right cluster ...

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szymon_dybczak
Esteemed Contributor III
  • 2 kudos

Hi @svm_varma ,You can try to create Standard_DS3_v2 cluster. It has 4 cores and your current subscription limit for given region is 6 cores. The one you're trying to create needs 8 cores and hence you're getting quota exceeded exception.You can also...

  • 2 kudos
vijaypodili
by New Contributor III
  • 3506 Views
  • 9 replies
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databricks job taking longer time to load 2.3 gb data from bolb to ssms table

df_CorpBond= spark.read.format("parquet").option("header", "true").load(f"/mnt/{container_name}/raw_data/dsl.corporate.parquet") df_CorpBond.repartition(20).write\ .format("jdbc")\ .option("url", url_connector)\ .option("dbtable", "MarkIt...

Data Engineering
datarbricks
performance
  • 3506 Views
  • 9 replies
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vijaypodili
New Contributor III
  • 0 kudos

Hi @RiyazAliM this is my dag digramfile size is 3.5 gb and in future we need to load 14gb as well

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singhanuj2803
by Contributor
  • 7558 Views
  • 1 replies
  • 1 kudos

Apache Spark SQL query to get organization hierarchy

I'm currently diving deep into Spark SQL and its capabilities, and I'm facing an interesting challenge. I'm eager to learn how to write CTE recursive queries in Spark SQL, but after thorough research, it seems that Spark doesn't natively support recu...

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  • 7558 Views
  • 1 replies
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Alberto_Umana
Databricks Employee
  • 1 kudos

Hi @singhanuj2803, It is correct that Spark SQL does not natively support recursive Common Table Expressions (CTEs). However, there are some workarounds and alternative methods you can use to achieve similar results.   Using DataFrame API with Loops:...

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singhanuj2803
by Contributor
  • 1745 Views
  • 1 replies
  • 1 kudos

How to run stored procedure in Azure Database for PostgreSQL using Azure Databricks Notebook

We have Stored Procedure available in Azure Database for PostgreSQL and we want to call or run or execute the postgreSQL stored procedures in Azure Databricks through NotebookWe are attempting to run PostgreSQL stored procedures, through Azure Databr...

  • 1745 Views
  • 1 replies
  • 1 kudos
Latest Reply
Alberto_Umana
Databricks Employee
  • 1 kudos

To execute a PostgreSQL stored procedure from an Azure Databricks notebook, you need to follow these steps: Required Libraries:You need to install the psycopg2 library, which is a PostgreSQL adapter for Python. This can be done using the %pip install...

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singhanuj2803
by Contributor
  • 5721 Views
  • 1 replies
  • 0 kudos

Resolved! How to execute SQL stored procedure in Azure Database for SQL Server using Azure Databricks Notebook

We have Stored Procedure available in Azure Database for SQL Server and we want to call or run or execute the postgreSQL stored procedures in Azure Databricks through NotebookWe are attempting to run SQL stored procedures, through Azure Databricks no...

  • 5721 Views
  • 1 replies
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

Hi @singhanuj2803, To execute a SQL stored procedure in Azure Databricks, you can follow these steps: Required Libraries:You need to install the pyodbc library to connect to Azure SQL Database using ODBC. You can install it using the following comman...

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h2p5cq8
by New Contributor III
  • 8499 Views
  • 3 replies
  • 3 kudos

Resolved! Deleting records from Delta table that are not in relational table

I have a Delta table that I keep in sync with a relational (SQL Server) table. The inserts and updates are easy but checking for records to delete is prohibitively slow. I am querying the relational table for all primary key values and any primary ke...

  • 8499 Views
  • 3 replies
  • 3 kudos
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hari-prasad
Valued Contributor II
  • 3 kudos

Let's understand the complexity behind this code when executed on delta table along with Spark.pks = spark.read.format("jdbc").option("query": "SELECT pk FROM sql_table_name").load() delta_table = spark.read.table(delta_table_name) r = target_table.f...

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filipniziol
by Esteemed Contributor
  • 8209 Views
  • 9 replies
  • 5 kudos

Resolved! Magic Commands (%sql) Not Working with Databricks Extension for VS Code

Hi Community,I’ve encountered an issue with the Databricks Extension for VS Code that seems to contradict the documentation. According to the Databricks documentation, the extension supports magic commands like %sql when used with Databricks Connect:...

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  • 8209 Views
  • 9 replies
  • 5 kudos
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jack533
New Contributor III
  • 5 kudos

In reality, there is nothing to do with grpc_wait_for_shutdown_with_timeout. Although we haven't yet implemented a solution, we have an open issue for it, but it shouldn't stop SQL magic from working.Or is the "Interactive" tab where you encounter th...

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Younevano
by New Contributor III
  • 11414 Views
  • 13 replies
  • 10 kudos

Suddenly can't find the option to uplaod files into Databricks Community Edition

Hi everyone,I am suddenly unable to find the option to upload my files into Databricks Community Edition today. Please find the same in the screenshot attached. Is anyone else also facing this issue?

  • 11414 Views
  • 13 replies
  • 10 kudos
Latest Reply
geraldhopkins
New Contributor II
  • 10 kudos

GChandra, did it get removed again? I just signed up for Community free edition, and I don't see an option to Upload files. Please advise.

  • 10 kudos
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Gianfranco
by Databricks Partner
  • 3414 Views
  • 3 replies
  • 1 kudos

Deleting Records from DLT Bronze and Silver Tables

I have a pipeline that generates two DLT streaming tables: a Bronze table and a Silver table. I need to delete specific records from both tables. I've read an article (https://www.databricks.com/blog/handling-right-be-forgotten-gdpr-and-ccpa-using-de...

  • 3414 Views
  • 3 replies
  • 1 kudos
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karthickrs
New Contributor III
  • 1 kudos

Remove records using the DELETE operation in both Bronze & Silver tables.After doing each delete step, you can Optimize the table which rewrites the parquet files for that table behind the scenes to improve the data layout (Read more about optimize h...

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vannipart
by New Contributor III
  • 6319 Views
  • 2 replies
  • 0 kudos

Volumes unzip files

I have this shell unzip that I use to unzip files %shsudo apt-get updatesudo apt-get install -y p7zip-full But when it comes to new workspace, I get error sudo: a terminal is required to read the password; either use the -S option to read from standa...

  • 6319 Views
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karthickrs
New Contributor III
  • 0 kudos

First, you can read the ZIP file in a binary format [ spark.read.format("binaryFile") ], then use the zipfile Python package to unzip and extract all the files from the zipped file and store them in a Volume.

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