- 3824 Views
- 7 replies
- 12 kudos
From Associate to Professional: My Learning Plan to ace all Databricks Data Engineer Certifications
In today’s data-driven world, the role of a data engineer is critical in designing and maintaining the infrastructure that allows for the efficient collection, storage, and analysis of large volumes of data. Databricks certifications holds significan...
- 3824 Views
- 7 replies
- 12 kudos
- 12 kudos
As an additional tip for those working towards both the Associate and Professional certifications, I recommend avoiding a long gap between the two exams to maintain your momentum. If possible, try to schedule them back-to-back with just a few days in...
- 12 kudos
- 1363 Views
- 3 replies
- 0 kudos
Financial Crime detection with the help of Apache Spark, Data Mesh and Data Lake
For those interested in Data Mesh and Data Lakes for FinCrime detection:Data mesh is a relatively new architectural concept for data management that emphasizes domain-driven data ownership and self-service data availability. It promotes the decentral...
- 1363 Views
- 3 replies
- 0 kudos
- 0 kudos
It's great that you're focusing on financial crime detection with advanced technologies like Apache Spark, Data Mesh, and Data Lake. For those looking to dive deeper into criminal records and related data, tools like KY criminal lookup can provide es...
- 0 kudos
- 2252 Views
- 1 replies
- 1 kudos
Post: Lakehouse Federation - Databricks
Lakehouse Federation - Databricks In the world of data, innovation is constant. And the most recent revolution comes with Lakehouse Federation, a fusion between data lakes and data warehouses, taking data manipulation to a new level. This advancement...
- 2252 Views
- 1 replies
- 1 kudos
- 1 kudos
Hey Quick Question, Can we use it for the production version ? We have application server as SQL server, we are planning to use lakehouse federation so we can bypass creating and maintaining 100 of workflows. as we a small dataset I am not too sure o...
- 1 kudos
- 44 Views
- 0 replies
- 1 kudos
Hub Star Modeling 2.0 for Medalion Architecture
Excited to share my latest publication on arXiv!“Hub Star Modeling 2.0 for Medallion Architecture” https://arxiv.org/abs/2504.08788This new version builds on the original Hub Star Modeling approach, published last year, and now tailored for the Meda...
- 44 Views
- 0 replies
- 1 kudos
- 257 Views
- 1 replies
- 5 kudos
Handling Complex Nested JSON in Databricks Using schemaHints
When I first got into managing schemas in Databricks, it took me a while to realize that putting in a little planning up front could save me a ton of headaches later on.I was working with these deeply nested, constantly changing JSON files. At first,...
- 257 Views
- 1 replies
- 5 kudos
- 5 kudos
Great tip @genevive_mdonça! schemaHints help avoid issues with evolving JSON data, making data processing more reliable and easier to maintain. Thanks for sharing.
- 5 kudos
- 281 Views
- 1 replies
- 0 kudos
Understanding Coalesce, Skewed Joins, and Why AQE Doesn't Always Intervene
In Spark, data skew can be the silent killer of performance. One wide partition pulling in 90% of the data?But even with AQE (Adaptive Query Execution) turned on in Databricks, skewness isn't always automatically identified— and here’s why.What Is co...
- 281 Views
- 1 replies
- 0 kudos
- 0 kudos
@mark_ott , this question seems right up your alley. Care to comment?
- 0 kudos
- 9689 Views
- 3 replies
- 5 kudos
Materials to pass Databricks Data Engineering Associate Exam
Hi Guys, I have passed it already some time ago, but just recently have summarized all the materials which helped me to do it. Pay special attention to GitHub repository, which contains many great exercises prepared by Databricks teamhttps://youtu.be...
- 9689 Views
- 3 replies
- 5 kudos
- 5 kudos
I passed my Databricks Data Engineering Associate exam after studying with https://bit.ly/4iaflcm. Their extensive collection of mock tests and Practice Software significantly boosted my score to 93%.
- 5 kudos
- 196 Views
- 0 replies
- 0 kudos
One of the solution of [FAILED_READ_FILE.NO_HINT] Error while reading file, when display() or SELECT
One of the solution of [FAILED_READ_FILE.NO_HINT] Error while reading file, when display() or SELECTI got stuck with the above error when using `spark.read.table().display()` or directly query the table using %sql.While the display method is just one...
- 196 Views
- 0 replies
- 0 kudos
- 417 Views
- 0 replies
- 1 kudos
Power BI to Databricks Semantic Layer Generator (DAX → SQL/PySpark)
Hi everyone!I’ve just released an open-source tool that generates a semantic layer in Databricks notebooks from a Power BI dataset using the Power BI REST API. Im not an expert yet, but it gets job done and instead of using AtScale/dbt/or the PBI Sem...
- 417 Views
- 0 replies
- 1 kudos
- 270 Views
- 0 replies
- 0 kudos
How to train a Convolutional Neural Network on Databricks with Tensorflow and Keras
Here is how to trained a lightweight Convolutional Neuronal Network (CNN) to detect pneumonia from chest X-rays pictures on Azure Databricks. I promise no LLMs, no hype, just real-world deep learning:1. Built it with TensorFlow & Keras on Databricks2...
- 270 Views
- 0 replies
- 0 kudos
- 351 Views
- 0 replies
- 0 kudos
When Did the Data Go Wrong? Using Delta Lake Time Travel for Investigation in Databricks
I. IntroductionData pipelines are the lifeblood of modern data-driven organizations. However, even the most robust pipelines can experience unexpected issues: data corruption, erroneous updates, or sudden data drops. When these problems occur, quickl...
- 351 Views
- 0 replies
- 0 kudos
- 714 Views
- 0 replies
- 1 kudos
Real Lessons in Databricks Schema, Streaming, and Unity Catalog
Hey Databricks community,I wanted to take a moment to share some things I’ve learned while working with Databricks in real projects—especially around schema management, Unity Catalog, Autoloader, and streaming jobs. These are the kinds of small detai...
- 714 Views
- 0 replies
- 1 kudos
- 527 Views
- 0 replies
- 1 kudos
Inclusion of special characters while saving or downloading as a csv
Hi All, I have data which looks like this High Corona40% 50cl Pm £13.29 but when saving it as a csv it is getting converted into High Corona40% 50cl Pm £13.29 . wherever we have the euro sign . I thing to note here is while displaying the data i...
- 527 Views
- 0 replies
- 1 kudos
- 683 Views
- 0 replies
- 1 kudos
Use Query Patterns to Suggest Indexes Dynamically
Hey folks,Ever notice how a query that used to run super fast suddenly starts dragging? We’ve all been there. As data grows, those little inefficiencies in your SQL start showing up — and they show up hard. That’s where something cool comes in: using...
- 683 Views
- 0 replies
- 1 kudos
- 3663 Views
- 6 replies
- 4 kudos
My Journey with Schema Management in Databricks
When I first started handling schema management in Databricks, I realized that a little bit of planning could save me a lot of headaches down the road. Here’s what I’ve learned and some simple tips that helped me manage schema changes effectively. On...
- 3663 Views
- 6 replies
- 4 kudos
- 4 kudos
Haha, glad it made sense! Joao.Try it out, and if you run into any issues, just let me know. Always happy to help! And best friends? You got it!
- 4 kudos
- 575 Views
- 0 replies
- 1 kudos
Unit Testing for Data Engineering: How to Ensure Production-Ready Data Pipelines
In today’s data-driven world, the success of any business use case relies heavily on trust in the data. This trust is built upon key pillars such as data accuracy, consistency, freshness, and overall quality. When organizations release data into prod...
- 575 Views
- 0 replies
- 1 kudos
