alter table examination_info drop index uniq_idx_exam_id; alter table examination_info drop index full_idx_tag;描述請(qǐng)刪除examination_info表上的唯一索引uniq_idx_exam_id和全文索引full_idx_tag。后臺(tái)會(huì)通過(guò) SHOW INDEX FROM examination_info 來(lái)對(duì)比輸出結(jié)果。