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Topic: Why Most Analysts Calculate Retention Wrong in SQL Retention is not just COUNT(DISTINCT user_id). It's a cohort-based ...

SQL for Data Analysis Continuing from EP11 (WHERE), we'll upgrade data filtering with 3 frequently used tools in real-world ...

Want to become a Data Analyst in 2026? Confused where to start? Worried about salary? Don't know what skills are required?

Two of Confluent's most beloved Apache Kafka® experts, The Duchess (Anna McDonald) and The Doctor (Matthias J. Sax), along ...

Preparing for a GA4 interview? In this complete guide, I cover advanced Google Analytics 4 interview questions and detailed ...