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Piyush Routray

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Category: Data Engineering

PySpark DataFrame ordering based on multiple columns

How to deal with the requirement to order a DataFrame using more than one column simultaneously? Also, consider some values … More

Data Engineering, Databricks, PySpark

How to retain the first row of each ‘group’ in a PySpark DataFrame?

For a given dataframe, with multiple occurrence of a particular column value, one may desire to retain only one (or … More

Databricks, PySpark

How to split contents of a column into *only two* by a delimiter?

While working with PySpark, I came across a requirement, where data in a column had to be split using delimiters … More

PySpark

How to encrypt files before sharing online?

As a Data Engineer, one faces the need to share files securely over the internet. An easy way of doing … More

Data Engineering, PGP, security

Optimized Import of Text Data for Analytics

Text data analysis is a staple use case for the Data Analytics world! There are multiple firms which enable capture … More

AWS Firehose, AWS S3, Data Engineering, Snowflake

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