How to create two auto increment column in mysql?

Question

CREATE TRIGGER test1 AFTER INSERT ON `course_metadata_31`
 FOR EACH ROW BEGIN
 update `course_metadata_31`set `articleID`=`articleID`+1
 END;

I am

Answer 1

in the phpMyAdmin set the column property to AI its a tick box on the table structure. you dont even need to pass the details to the database