Rishabh Rawat • 5/8/2022

How To Efficiently Fetch Large View Count on Social Platforms

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This technical article discusses the performance issues of using SELECT COUNT(*) on large tables, like those storing social media view counts. It proposes two efficient alternatives: maintaining a separate statistics table updated via triggers/change streams, and using approximations like PostgreSQL's EXPLAIN statement. The content is aimed at backend developers and database engineers.

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#postgresql #Query Optimization #Triggers
How To Efficiently Fetch Large View Count on Social Platforms

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