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Every UPDATE Leaves a Ghost: MVCC, Bloat, and VACUUM in PostgreSQL — PlanetScale

What happens to old row versions after nobody needs them? They become dead tuples, and over time they bloat your tables. Go deeper into PostgreSQL MVCC with runnable psql examples.

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lunedì 20 luglio 2026·planetscale.com
Every UPDATE Leaves a Ghost: MVCC, Bloat, and VACUUM in PostgreSQL — PlanetScale
What happens to old row versions after nobody needs them? They become dead tuples, and over time they bloat your tables. Go deeper into PostgreSQL MVCC with runnable psql examples.