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  1. Troubleshooting MySQL Upgrade in XAMPP: Addressing the "innodb_additional_mem_pool_size" Error
    XAMPP: An Apache distribution that includes MySQL, PHP, and other components for creating a local development environment
  2. Resolving 'performance_schema.session_variables' Table Error After MySQL Upgrade
    This error indicates that a table named session_variables within the performance_schema schema is missing in your MySQL database server
  3. Migrating Your PostgreSQL Database: 9.6 to 10.1 without Data Loss
    This is the preferred method for major version upgrades. It directly converts your 9.6 data directory to a format compatible with 10