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Debug PySpark Code in Visual Studio Code

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access_time 2 years ago

The page summarizes the steps required to run and debug PySpark (Spark for Python) in Visual Studio Code. Install Python and pip Install Python from the official website: https://...

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Implement SCD Type 2 Full Merge via Spark Data Frames

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Overview For SQL developers that are familiar with SCD and merge statements, you may wonder how to implement the same in big data platforms, considering database or storages in Hadoop are not designed/optimised for record level updates and inserts. In this post, I’m going to demons...

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PySpark: Convert JSON String Column to Array of Object (StructType) in Data Frame

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This post shows how to derive new column in a Spark data frame from a JSON array string column. I am running the code in Spark 2.2.1 though it is compatible with Spark 1.6.0 (with less JSON SQL functions). Prerequisites Refer to the following post to install Spark in Windows. ...

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Connect to Teradata database through Python

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access_time 3 years ago

Teradata published an official Python module which can be used in DevOps projects. More details can be found at the following GitHub site: https://github.com/Teradata/PyTd Install Teradata module ...

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