ALTER TABLE tbl_quiz_attempt_master
DROP INDEX index_name;
要删除主键,请使用此键-
ALTER TABLE tbl_quiz_attempt_master
DROP INDEX `PRIMARY`;
如何从mysql表中删除唯一键
ALTER TABLE tbl_quiz_attempt_master
DROP INDEX index_name;
要删除主键,请使用此键-
ALTER TABLE tbl_quiz_attempt_master
DROP INDEX `PRIMARY`;