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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

MalachiBunn
by New Contributor III
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Toggle titles to show by default for a user or notebook

I find titles to be useful in organizing my notebooks, but I don't like having to toggle the title display for each cell in order to add a title. Is there a way to toggle the UI to show titles by default for a user/notebook? This would be a good fea...

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MohitAnchlia
by New Contributor II
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Accessing databricks from Presto SSQL

What's the best way to federate a query to delta lake or the databricks from presto sql without having to create external tables? PrestoSQL doesn't have access to S3. Can PrestoSQL be configured with jdbc driver or plugin?

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User16826992666
by Databricks Employee
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Resolved! Can I convert parquet files to Delta?

I am already storing my data as parquet files and have registered them as a table in Databricks. If I want to convert the table to be a Delta table, do I have to do a full read of the data and rewrite it in the Delta format?

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Latest Reply
User16752244127
Databricks Employee
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more details and programmatic options can be found in the Porting Guide.

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MoJaMa
by Databricks Employee
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  • 4661 Views
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User16752244127
Databricks Employee
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Kinesis streams is the Kinesis streaming service. Select this!Kinesis Firehose reads data from a Kinesis stream and writes it e.g. to S3 or Redshift. or Splunk (more details here)

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User16826994223
by Databricks Employee
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What is the differentiator between delta sharing and other cloud sharing platform

What is differentiator between delta sharing and other cloud sharing platform.

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User16752244127
Databricks Employee
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Also, unlike other servers, Delta Sharing internally uses pre-signed URLs to S3, GCS, or ADSL, so data transfer from a client happens at the bandwidth of the underlying cloud object-store. This way the Delta Sharing server scales extremely well and d...

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MatthewLau
by New Contributor
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Logging Lifetime Plot_history_alive as a model

Hi Databricks Community, I have followed the CLV Databricks accelator (https://databricks.com/notebooks/CLV_Part_1_Customer_Lifetimes.html) to do an initial CLV analysis. Thank you for sharing this with the community. My question is that in the note...

0693f000007OoRXAA0
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NOOR_BASHASHAIK
by Databricks Partner
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Read metadata through JDBC driver

Dear all, The Spark JDBC driver (SparkJDBC42.jar) is unable to capture certain information from the below table structure: 1. table level comment 2. the TBLPROPERTIES key-value pair information 3. PARTITION BY information However, it captures the co...

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bruno_duarte
by New Contributor
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Resolved! Cluster does not start (Coursera Training Distributed Computing with Spark SQL)

Following the instruction on Week 1 > The Databricks Environment, it is supposed to create a new cluster. However, the cluster is not starting or able to attached notebook and due that I can not continue the tasks/assignments. related documents not...

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Latest Reply
motuchsznajder
New Contributor II
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Hey there, creating a cluster at the Community Edition is showing the same problem as last week. This time, I'm not getting any error coz the process of creating it is taking forever. Any suggestion, @databricks?

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vas610
by New Contributor III
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Error loading h2o model in mlflow

I'm getting the following error when I'm trying to load a h2o model using mlflow for prediction Error: Error Job with key $03017f00000132d4ffffffff$_990da74b0db027b33cc49d1d90934149 failed with an exception: java.lang.IllegalArgumentException:...

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Latest Reply
Dan_Z
Databricks Employee
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I ran this in Databricks and it worked with no issues. I suggest you make sure your wget path is correct, because the one you posted downloads HTML, not the raw csv. That may cause the problem. %sh wget https://raw.githubusercontent.com/mlflow/mlflo...

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GabrieleMuciacc
by New Contributor III
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Query table access control metadata from Databricks SQL

I'm trying to create a dashboard in Databricks SQL, parameterized by table name. We have a metadata table which contains the names of all the eligible tables, and we use it to populate a drop-down box for the dashboard. This is a simplified version ...

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justinbuo53
by New Contributor
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Azure Databricks, how to learn to use practically?

Not sure whether better do ask this in an Azure or Spark subject, but I thought I might get responses appropriate to our use cases here. We have Azure Databricks set up and working, and not had any problems following along the tutorials, but I don't...

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hasinketi48
by New Contributor
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How is Databricks Spark different than Spark?

Hey guys, I am looking to create a real-time analytics application and I am pretty new to Data engineering. Any advice here would be appreciated. So I have been l appvalleyooking into spark streaming for my transformation process, so th tutuappe ove...

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