11 2021 档案

摘要:round(x,d) :用于数据的四舍五入,round(x) SELECT ROUND(100.3465,2),ROUND(100,2),ROUND(0.6,2),ROUND(114.6,-1); 100.35,100,0.60,110 阅读全文
posted @ 2021-11-23 17:28 yangyh11 阅读(179) 评论(0) 推荐(0)
摘要:SELECT DATE_SUB(CURDATE(),INTERVAL WEEKDAY(CURDATE()) + 1 DAY); SELECT DATE_SUB(CURDATE(),INTERVAL WEEKDAY(CURDATE()) + 8 DAY); 阅读全文
posted @ 2021-11-23 16:55 yangyh11 阅读(44) 评论(0) 推荐(0)