SQL Functions and Techniques Every Data Person Should Know

Ezzeddin Abdullah
Brainwave
Published in
8 min readJan 19

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Photo by Carlos Muza on Unsplash

Writing SQL queries that don’t utilize database features can cost developers a lot. The cost varies from spending more time writing tedious long queries or having a tech debt later on to debug the performance issue coming from the database server.

PostgreSQL has features that help you select data efficiently. These features can also help minimize the lines you…

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Ezzeddin Abdullah
Brainwave

Helping you build better habits & level up your Python, SQL, and data analysis skills. Get my free ebook: https://ezzeddin.gumroad.com/l/cleaner-python