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Spark - Read and Write Data with MongoDB
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Apache Spark installation guides, performance tuning tips, general tutorials, etc.

*Spark logo is a registered trademark of Apache Spark.

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

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

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

Tutorials and information about Teradata.

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

Data analytics, application development with Microsoft Azure cloud platform.

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

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

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Querying Teradata using SQL
Querying Teradata using SQL

This series collects commonly used SQL queries to retrieve data from Teradata database. It also shows you how to do some basic filters and transformation using SQL statements. 

Install Teradata Tools & Utilities
Install Teradata Tools & Utilities

This series shows you how to install Teradata tools incl. Teradata virtual machine image, Utilities tools. etc. on Windows.

With these tools, you can practice Teradata SQL and test Teradata new features easily in your machine. 

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.

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.

Hive SQL - DDL
Hive SQL - DDL

Hive SQL DDL (Data Definition Language) tutorials. This series provides examples about how to create Hive databases, tables (incl. managed and external), views, etc.  

Kontext Newsletter
Kontext Newsletter

Kontext newsletters.  

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. 

.NET for Apache Spark
.NET for Apache Spark

.NET for Apache Spark