题解 | #创建索引#

#在duration列创建普通索引idx_duration create index idx_duration on examination_info(duration); #在exam_id列创建唯一性索引uniq_idx_exam_id create unique index uniq_idx_exam_id on examination_info(exam_id); #在tag列创建全文索引full_idx_tag create fulltext index full_idx_tag on examination_info(tag);