UPDATE DB_CORE.tb_user_practice AS prac,test.tb_industry_mapping_temp AS mapping
SET prac.position_industry=mapping.position_industry
WHERE mapping.industry = prac.industry
更新逗号分割的字符串更新
UPDATE tb_job t,tb_position_mapping tm
SET t.position_function = INSERT(t.position_function,POSITION(tm.profession IN t.position_function),LENGTH(tm.profession),tm.position_function)
WHERE FIND_IN_SET(tm.profession,t.position_function) > 0