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Vladimir Lovtsov / Leadership notebook

#sql

Practice, analysis and observations on this topic.

Articles: 1

016 min read

data / sql / systems analysis

SQL in Practice: Your First PostgreSQL Queries

A self-contained SQL exercise for analysts: create two tables and practise SELECT, filtering, JOINs, aggregates, data changes, and transactions.

Short observations and new writing in my Telegram channel (in Russian).

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