How do I delete all the duplicate records in a MySQL table without temp tables

Question

I\'ve seen a number of variations on this but nothing quite matches what I\'m trying to accomplish.

I have a table, TableA, which contain the answers gi

Answer 1

Add Unique Index on your table:

ALTER IGNORE TABLE TableA   
ADD UNIQUE INDEX (member_id, quiz_num, question_num, answer_num);

is work very well