What is the alternative for generated column in MySQL 5.6
问题 I have a MySQL alter statement ALTER TABLE `employee` ADD `employee_name_generator` CHAR(20) GENERATED ALWAYS AS (COALESCE(concat(`employee_name`), '^')) VIRTUAL; This is needed for adding employee_name_generator in a unique constraint. This works fine in MySQL 5.7 onwards. But the environment where I need this has MySQL 5.6. Is there an alternative for MySQL 5.6? 回答1: If your earlier version of MySQL does not support generated columns, then you'll have to compute that column at the time you