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

摘要： SELECT DATE_SUB(CURDATE(),INTERVAL WEEKDAY(CURDATE()) + 1 DAY); SELECT DATE_SUB(CURDATE(),INTERVAL WEEKDAY(CURDATE()) + 8 DAY); 阅读全文