Solving Complex SQL Problems: A Micro-to-Macro Approach for Daily New User Retention
Problem Source
This problem is from the SQL section of Niuke's Big Company Real Interview Questions, specifically scenario 02: User Growth (Baidu Information Flow), question SQL164: Calculate the next-day retention rate of new users for each day in November 2021.
Shifting from Macro-to-Micro to Micro-to-Macro
Previous chapters emphasized a top- ...
Posted on Sun, 19 Jul 2026 16:33:12 +0000 by rockindano30