mysql, how to query the table comments? code example

Example 1: mysql, how to query the table comments?

SELECT a.COLUMN_NAME, a.COLUMN_COMMENT
FROM  information_schema.COLUMNS a 
WHERE a.TABLE_NAME = 'YOUR_TABLE_NAME'

Example 2: comments in mysql

#this is a comment
-- this is a comment but requires a whitespace/tab/newline after the double -