03 2017 档案
摘要:表名:product 表结构: 表数据: 如果使用日期查询的话:sql: SELECT QUARTER(create_time) AS '季度',AVG(seller) AS '平均值' FROM product GROUP BY QUARTER(create_time); 如果按月份查询的话: s
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摘要:int[] intArr = new int[100]; ArrayList myList = new ArrayList(); Random rnd = new Random(); while (myList.Count < 100) { int num = rnd.Next(1, 101); i
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