Aikesheng Open Source Community
Nov 16, 2023 · Databases
Understanding the update_time Field in information_schema.tables and Its Reliability in MySQL 8.0
This article explains how the update_time column in the information_schema.tables view is populated, why its values can be unreliable, and details the mechanisms of active and passive persistence of table statistics in MySQL 8.0, including source‑code walkthroughs.
INFORMATION_SCHEMAInnoDBMySQL
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