About
Denny Lee is a long-time Apache Spark™ and MLflow contributor, Unity Catalog and Delta…
Articles by Denny
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Interested in career in Data Sciences? Read Freakonomics first!
Interested in career in Data Sciences? Read Freakonomics first!
By Denny Lee
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An absolutely unofficial way to connect Tableau to SparkSQL (Spark 1.1)
An absolutely unofficial way to connect Tableau to SparkSQL (Spark 1.1)
By Denny Lee
Activity
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On Thursday this week I'll be running a short session for the Data Engineering for AI/ML conference along with an awesome set of speakers & a great…
On Thursday this week I'll be running a short session for the Data Engineering for AI/ML conference along with an awesome set of speakers & a great…
Liked by Denny Lee
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"AI/BI Dashboards are a powerful way to securely share key business metrics, visualizations, and insights across your organization. " Great blog from…
"AI/BI Dashboards are a powerful way to securely share key business metrics, visualizations, and insights across your organization. " Great blog from…
Liked by Denny Lee
Experience
Education
Publications
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Learning Spark, 2nd Edition
O'Reilly
Data is bigger, arrives faster, and comes in a variety of formats and it all needs to be processed at scale for analytics or machine learning. But how can you process such varied workloads efficiently? Enter Apache Spark™.
Updated to include Spark 3.0, this second edition shows data engineers and data scientists why structure and unification in Spark matters. Specifically, this book explains how to perform simple and complex data analytics and employ machine learning algorithms. Through…Data is bigger, arrives faster, and comes in a variety of formats and it all needs to be processed at scale for analytics or machine learning. But how can you process such varied workloads efficiently? Enter Apache Spark™.
Updated to include Spark 3.0, this second edition shows data engineers and data scientists why structure and unification in Spark matters. Specifically, this book explains how to perform simple and complex data analytics and employ machine learning algorithms. Through step-by-step walk-throughs, code snippets, and notebooks, you'll be able to:
- Learn Python, SQL, Scala, or Java high-level Structured APIs
- Understand Spark operations and SQL Engine
- Inspect, tune, and debug Spark operations with Spark configurations and Spark UI
- Connect to data sources: JSON, Parquet, CSV, Avro, ORC, Hive, S3, or Kafka
- Perform analytics on batch and streaming data using Structured Streaming
- Build reliable data pipelines with open source Delta Lake and Spark
- Develop machine learning pipelines with MLlib and productionize models using MLflowOther authorsSee publication -
Learning PySpark
Packt Publishing
It is estimated that in 2013 the whole world produced around 4.4 zettabytes of data; that is, 4.4 billion terabytes! By 2020, we (as a human race) are expected to produce ten times that. With data getting larger literally by the second there is a growing appetite for making sense out of it.
In our book, Learning PySpark, we will guide you through the latest incarnation of Apache Spark using Python. We will show you how to read structured and unstructured data, how to use some fundamental…It is estimated that in 2013 the whole world produced around 4.4 zettabytes of data; that is, 4.4 billion terabytes! By 2020, we (as a human race) are expected to produce ten times that. With data getting larger literally by the second there is a growing appetite for making sense out of it.
In our book, Learning PySpark, we will guide you through the latest incarnation of Apache Spark using Python. We will show you how to read structured and unstructured data, how to use some fundamental data types available in PySpark, how to build machine learning models, operate on graphs, read streaming data and deploy your models in the cloud. Each chapter will tackle different problem and by the end of the book we hope you will be knowledgeable enough to solve other problems we did not have space to cover here.Other authorsSee publication -
Professional SQL Server 2012 Analysis Services with MDX and DAX
Wiley
Discover how to solve real-world BI problems by leveraging a slew of powerful new Analysis Services features and capabilities. These include the new DAX language, which is a more user-friendly version of MDX; PowerPivot & Power View, new tools for performing simplified & visual analysis of data; and much more.
Other authorsSee publication -
Professional SQL Server 2012 Analysis Services with MDX and DAX
Wiley
Discover how to solve real-world BI problems by leveraging a slew of powerful new Analysis Services features and capabilities. These include the new DAX language, which is a more user-friendly version of MDX; PowerPivot & Power View, new tools for performing simplified & visual analysis of data; and much more.
Other authorsSee publication -
SQL Server 2008R2 Analysis Services Performance Guide
Microsoft
This white paper describes how business intelligence developers can apply query and processing performance-tuning techniques to their Microsoft SQL Server 2008 R2 Analysis Services OLAP solutions.
Other authorsSee publication -
Microsoft SQL Server 2005: Precision Considerations for Analysis Services Users
Microsoft
Contributed to this article based on a specific case I worked at Microsoft that showcased issues with floating point percision in Analysis Services and best practices to avoid problems.
Other authorsSee publication -
Microsoft SQL Server 2005: Precision Considerations for Analysis Services Users
Microsoft
Contributed to this article based on a specific case I worked at Microsoft that showcased issues with floating point percision in Analysis Services and best practices to avoid problems.
Other authorsSee publication -
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Click Publication URL for Full List of Articles
Courses
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SSAS Maestros
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Projects
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Healthcare Compliance with Big Data and BI
The purpose of this project is to provide a set of tools and jumpstart with scripts to implement the project involving HDInsight (Hadoop), SQL Server 2012, SQL Server Analysis Services 2012, Excel 2013 PowerPivot and Power View.
Other creatorsSee project -
Healthcare Compliance with Big Data and BI
The purpose of this project is to provide a set of tools and jumpstart with scripts to implement the project involving HDInsight (Hadoop), SQL Server 2012, SQL Server Analysis Services 2012, Excel 2013 PowerPivot and Power View.
Other creatorsSee project -
Centralized Database Audit Solution
With SQL Server 2008, there is a powerful yet lightweight method to audit a SQL Server instance. But to manage and view the audits of your entire SQL Server environment, we have created the Centralized Auditing Framework that will parse, load, and report all of your audit logs.
Other creatorsSee project
Languages
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Chinese
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French
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Join now to viewMore activity by Denny
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Internet let me never doubt you again. AI hype may have a competitor. See you next Thursday.
Internet let me never doubt you again. AI hype may have a competitor. See you next Thursday.
Liked by Denny Lee
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What are folks favorite Apache Spark packages?
What are folks favorite Apache Spark packages?
Liked by Denny Lee
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During the very same week I moved to #Berlin, I had the pleasure of meeting the core team of Women in Big Data Berlin and some of the #community…
During the very same week I moved to #Berlin, I had the pleasure of meeting the core team of Women in Big Data Berlin and some of the #community…
Liked by Denny Lee
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Wrapping up Day 1 @ India FOSS 2024, Bengaluru 🚀 What an amazing day it has been talking to folks curious about Data and AI activation, and how…
Wrapping up Day 1 @ India FOSS 2024, Bengaluru 🚀 What an amazing day it has been talking to folks curious about Data and AI activation, and how…
Liked by Denny Lee
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The incredible data engineering for AI/ML virtual conference next Thursday would not be possible without these amazing sponsors. Thank you so much…
The incredible data engineering for AI/ML virtual conference next Thursday would not be possible without these amazing sponsors. Thank you so much…
Liked by Denny Lee
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Photon is now available for Databricks Machine Learning Runtime Clusters! Speed up Apache Spark jobs and feature engineering workloads by 2x or…
Photon is now available for Databricks Machine Learning Runtime Clusters! Speed up Apache Spark jobs and feature engineering workloads by 2x or…
Liked by Denny Lee
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Robert is a phenomenal manager, expert in many domains and just fun to hang out with. Come join his team!
Robert is a phenomenal manager, expert in many domains and just fun to hang out with. Come join his team!
Liked by Denny Lee
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I write a lot of content on Databricks because: A) I personally use it as my preferred data platform AND B) I’ve criticized some of their most…
I write a lot of content on Databricks because: A) I personally use it as my preferred data platform AND B) I’ve criticized some of their most…
Liked by Denny Lee
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In a recent conversation, Tathagata Das, Staff Software Engineer at Databricks, delves into the evolution, strategic advancements, and future of…
In a recent conversation, Tathagata Das, Staff Software Engineer at Databricks, delves into the evolution, strategic advancements, and future of…
Liked by Denny Lee
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New speakers + agenda announced! 5 more days til the Data engineering for AI/ML virtual conference. Currently recording some fun videos to play…
New speakers + agenda announced! 5 more days til the Data engineering for AI/ML virtual conference. Currently recording some fun videos to play…
Liked by Denny Lee
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