Data Engineering – Page 2 – ITFROMZERO

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Generating Millions of Logically Consistent Database Records: The Power of Combining LLM and SDV

By admin July 3, 2026

Forget manually writing data scripts. Discover how to combine LLMs and the SDV library to generate millions of logically consistent, secure records ready for even the toughest test scenarios.

Python

Polars vs Pandas: Speed Up DataFrame Processing 10x with the Power of Rust

By admin May 28, 2026

Accelerate DataFrame processing 10-100x with Polars. A detailed guide on migrating from Pandas to Polars, leveraging Lazy API and multi-core CPU power for Big Data.

Python

Automating Excel with Python and Openpyxl: From Formatting to Workbook Security

By admin May 26, 2026

Stop being an Excel 'slave' with Openpyxl. A guide from cell formatting and charting to file security. Run scripts in 15 seconds instead of 4 hours of manual work for 50 branches.

Database

PostgreSQL FDW: The Ultimate Trick to Query MySQL, MongoDB, and CSV Directly Without ETL

By admin April 28, 2026

Forget complex ETL! A detailed guide on using PostgreSQL FDW to query MySQL, MongoDB, and CSV directly. Speed up multi-source data processing with just a few SQL lines.