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DATA SCIENCE

How to Understand Long and Complex SQL Queries

A “peel-and-understand-the-layer” strategy for complex SQL queries

Photo by Clark Van Der Beken on Unsplash

A single SQL query for an ad hoc analysis or reporting could vary between 2–40 lines (typically). But when it comes to data pipelines and scheduled queries, a single SQL query could be hundreds of lines (easily! believe me).

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Naser Tamimi

Naser Tamimi

Data Engineer

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