- 1456 Views
- 1 replies
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What Databricks resources are available for university faculty members?
I would like to use Databricks to teach large-scale analytics in my classroom; does Databricks have any resources or community assets that can help me out?
- 1456 Views
- 1 replies
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For folks that are looking to leverage Databricks as a teaching asset, please sign contact us for Databricks University Alliance. https://databricks.com/p/teach
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- 4837 Views
- 1 replies
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What Databricks resources are available for university students?
I want to learn how to use Databricks for my courses at university, and maybe to get a Databricks Certification. Can you help me out?
- 4837 Views
- 1 replies
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We have a ton of great resources available for people who are wanting to learn Databricks, specifically for university students. Checkout our our university page, to learn more about Databricks Community Edition, Free workshops, and self-paced course...
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- 1452 Views
- 1 replies
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Efficient data retrieval process between Azure Blob storage and Azure databricks
I am trying to design a stream a data analytics project using functions --> event hub --> storage --> Azure factory --> databricks --> SQL server.What I am strugging with at the moment is the idea about how to optimize "data retrieval" to feed m...
- 1452 Views
- 1 replies
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Check out our auto loader capabilities that can automatically track and process files that need to be processed. AutoloaderThere are two options: directory listing, which is essentially completing the same steps that you have listed above but in a sl...
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- 3037 Views
- 1 replies
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Resolved! Can you implement fine grained access controls on Delta tables?
I would like to provide row and column level security on my tables I have created in my workspace. Is there any way to do this?
- 3037 Views
- 1 replies
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Databricks includes two user functions that allow you to express column- and row-level permissions dynamically in the body of a view definition.current_user(): return the current user name.is_member(): determine if the current user is a member of a s...
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- 1417 Views
- 1 replies
- 1 kudos
- 1417 Views
- 1 replies
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With Koalas, which is a Pandas'API on top of Spark Dataframes, there should be minimal code changes required.Please refer to this blog for more info
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- 8288 Views
- 1 replies
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Read excel files and append to make one data frame in Databricks from azure data lake without specific file names
I am storing excel files in Azure data lake (gen 1). They follow filenames follow the same pattern "2021-06-18T09_00_07ONR_Usage_Dataset", "2021-06-18T09_00_07DSS_Usage_Dataset", etc. depending on the date and time. I want to read all the files in th...
- 8288 Views
- 1 replies
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If you are attempting to read all the files in a directory you should be able to use a wild card and filter using the extension. For example: df = (spark .read .format("com.crealytics.spark.excel") .option("header", "True") .option("inferSchema", "tr...
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- 1875 Views
- 1 replies
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How many users can the JDBC endpoint support in the All Purpose HC?
What is the max number of users can the JDBC endpoint support in the All Purpose high concurrency cluster? To support more sql workloads, is it better to go with Databricks Sql Enpoints?
- 1875 Views
- 1 replies
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There is a limit an execution context limit of 145. This means you can have at most 145 notebooks attached to a cluster. https://kb.databricks.com/execution/maximum-execution-context.htmlIf you are primarily using SQL then Databricks SQL Endpoints wo...
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- 1989 Views
- 1 replies
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Resolved! Does size of optimized files after running OPTIMIZE varies between cloud providers (S3, Blob and GCS)?
are there any other parameters to consider running OPTIMIZE depending cloud vendor?
- 1989 Views
- 1 replies
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The optimize is not dependent on the cloud provider whatsoever. Optimize will produce the same results regardless of the underlying storage. It is idempotent, meaning if it is run twice on the same dataset the the second execution has no effect.
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- 2957 Views
- 1 replies
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- 2957 Views
- 1 replies
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If you expect a column to be commonly used in query predicates and if that column has high cardinality (that is, a large number of distinct values), then use ZORDER BY.You can specify multiple columns for ZORDER BY as a comma-separated list. However,...
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- 1620 Views
- 1 replies
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- 1620 Views
- 1 replies
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Hi Yes we have the best practices,I can point on the data bricks Docshttps://docs.databricks.com/administration-guide/access-control/tokens.html
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- 1624 Views
- 1 replies
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- 1624 Views
- 1 replies
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we have a limit of 100 Secret scopes and each secret can have 1000 key-value pair of secrets.https://docs.microsoft.com/en-us/azure/databricks/security/secrets/secret-scopes
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- 1331 Views
- 1 replies
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- 1331 Views
- 1 replies
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Hi we have best practices around streaming with Kinesis and you can find them here .https://docs.databricks.com/spark/latest/structured-streaming/kinesis-best-practices.html
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- 1575 Views
- 1 replies
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- 1575 Views
- 1 replies
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nope not possible you can set the name that shows up in azure portal though (but only when you’re first creating the WS i believe)
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- 1392 Views
- 1 replies
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- 1392 Views
- 1 replies
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Running Jobs configured to use an Existing All-Purpose Cluster is considered to be a Job client. If you set workload_type.clients.jobs = false on an all-purpose cluster, it can not be used to run jobs.
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- 10756 Views
- 1 replies
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- 10756 Views
- 1 replies
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In Databricks, each cluster creates an initial spark session. And each notebook creates a spark subsession within the same. A temporary View created in one notebook isn't accessible to others. If you need to share view across notebooks, you use Globa...
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