Series

Kontext Newsletter
Kontext Newsletter

Kontext newsletters.  

.NET for Apache Spark
.NET for Apache Spark

.NET for Apache Spark 

Teradata Utilities - BTEQ, FastLoad, FastExport, TPT
Teradata Utilities - BTEQ, FastLoad, FastExport, TPT

Tutorials about Teradata utilities incl. BTEQ, FastLoad, FastExport, TPT, etc.

Examples are provided about loading XML, JSON and CSV files into Teradata and also about exporting data from Teradata database. 

Teradata Functions
Teradata Functions

Explore frequently used Teradata SQL functions.

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.  

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.

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. 

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.

Spark DataFrame Transformation Tutorials
Spark DataFrame Transformation Tutorials

This series includes tutorials about how to transform Spark DataFrame. For example, operations about add, remove, rename, change data types to columns. It also shows how to create DataFrame object in memory. 

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.