關於「MySQL add column comment」標籤，搜尋引擎有相關的訊息討論：

Alter MySQL table to add comments on columns - Stack Overflowstackoverflow.com › questions › alter-mysql-table-to-add-...MySQL 8.0 Reference Manual :: 13.1.9 ALTER TABLE Statementdev.mysql.com › doc › refman › alter-tableAdd and view comments on columns in MySQL - thisPointerth