摘要: SELECT TO_CHAR(first_time, 'MM/DD') DAY, SUM(DECODE(TO_CHAR(first_time, 'HH24'), '00', 1, 0)) H00, SUM(DECODE(TO_CHAR(first_time, 'HH24'), '01', 1, 0) 阅读全文
posted @ 2025-05-07 09:49 刚好遇见Mysql 阅读(16) 评论(0) 推荐(0)