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BigQuery - Insert-Only Virtualized SCD Type 2
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Python: Send Email via Microsoft Graph API
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Build Azure Functions with .NET 6
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Install Hadoop 3.3.0 on macOS
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Install Hadoop 3.3.0 on Windows 10 using WSL
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Apache Spark installation guides, performance tuning tips, general tutorials, etc.

*Spark logo is a registered trademark of Apache Spark.

Articles about Apache Hadoop installation, performance tuning and general tutorials.

*The yellow elephant logo is a registered trademark of Apache Hadoop.

Code snippets and tips for various programming languages/frameworks. All code examples are under MIT or Apache 2.0 license unless specified. 

Articles about ASP.NET Core 1.x, 2.x, 3.x and 5.0.

Everything about .NET framework, .NET Core, .NET Standard, .NET 5 and .NET 6. 

Tools, Frameworks installation guide and usage tutorials. 

Tutorials and information about Teradata.

Data analytics with Google Cloud Platform. For BigQuery SQL mentioned in the articles, they are all using standard SQL dialect unless specified differently. 

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Spark Connect to Databases

Spark Connect to Databases

This series includes tutorials about how to read data from or write data into databases via JDBC or other drivers. With Java, Spark can interact with many SQL databases such as SQL Server, Oracle, Teradata, MySQL, PostgreSQL, SQLite, etc. 

Big Data Tools on WSL

Big Data Tools on WSL

This series provides detailed tutorials about installing big data tools such as Hadoop, Spark, Hive, Sqoop, etc. on Windows 10 via WSL (Windows Subsystem for Linux). 

* Logos used in the picture are registered trademarks of Apache or Linux foundations. 

Install Big Data Tools on Linux

Install Big Data Tools on Linux

This series provides detailed tutorials about installing big data tools such as Hadoop, Spark, Sqoop, Zeppelin, Hive, Sqoop, etc. on UNIX-alike systems such as Linux or MacOS.  

* Logos used in the picture are registered trademarks of Apache or Linux foundations. 

Connecting to Databases via Python

Connecting to Databases via Python

There are quite a few different packages available that can be used in Python to connect to databases. This series provides examples about using Python to connect to SQL Server, Teradata, SQLite, Oracle, MySQL, etc. 

Read and Write Files via Python

Read and Write Files via Python

This series provides examples and tutorials about reading and writing files via Python.

Kontext Newsletter

Kontext Newsletter

Kontext newsletters.  

Teradata Functions

Teradata Functions

Explore frequently used Teradata SQL functions.

Plotting with Pandas DataFrame

Plotting with Pandas DataFrame

Plotting chats with Pandas DataFrame. You can easily plot these charts: Pie Chart, Line Chart, Bar Chart, Area Chart, Scatter Chart, Hexbin Chart, etc.