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Jun 19, 2022 · Databases

Master MySQL Upgrades with pt‑upgrade: Detect Compatibility Issues Seamlessly

This article explains why MySQL upgrades can cause syntax, semantic and performance incompatibilities, introduces the Percona Toolkit's pt‑upgrade tool, details its detection logic and common usage patterns, provides a full demo with real query results, and lists essential parameters and precautions for safely migrating from MySQL 5.7 to 8.0.