For my trading program, I have a Merchant class. A given Merchant object may or may not have a particular special quality or bundle of special qualities. For example, one Merchant object may have the
I have a simple query like this.. USE AdventureWorks; GO SE开发者_C百科LECT DaysToManufacture, AVG(StandardCost) AS AverageCost
1、首先，在桌面点击鼠标右键，就是右边的那个键，点击一下即可，就会出现菜单。选择新建--Excel表格,2、打开后，在第一个空白处，填入：销售报表四个字。3、然后根据你下面的项目名称，决定占用多少列，
加载中,请稍侯......