WITH t1 AS ( SELECT job, DATE_FORMAT(date, '%Y-%m') AS first_year_mon, SUM(num) AS first_year_cnt, DATE_FORMAT(date, '%m') AS month1 FROM resume_info WHERE YEAR(date) = 2025 GROUP BY job, DATE_FORMAT(date, '%Y-%m'), -- 确保所有非聚合列都在GROUP BY中 DATE_FORMAT(date, '%m') -- 添加month1对应的表达式 ), t2 AS ( SELECT j...