2023年6月28日
mysql 查询数据 逐行累加
摘要： ``` SET @sum := 0; SELECT *, (@sum := @sum + flow) AS cumulative_sum FROM wrs_brwater_avg_gq WHERE mea_date > '2023-04-15' ORDER BY mea_date; ``` myba 阅读全文
posted @ 2023-06-28 16:37 qwer78 阅读(184) 评论(0) 推荐(0)