Aikesheng Open Source Community
Oct 8, 2023 · Databases
Why Adding foreign_key_checks to my.cnf Causes MySQL Startup Failure and How to Identify Non‑Configurable System Variables
This article investigates why inserting the foreign_key_checks system variable into MySQL's my.cnf prevents the server from starting, explains the underlying NO_CMD_LINE flag mechanism, and provides a simple command‑line method to distinguish variables that can or cannot be set via configuration files.
MySQLNO_CMD_LINEconfiguration
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