源数据是A1:G18,需求是在K列显示A1:A18中各单元格重复出现的次数.在L列中是用countif函数直接计算的, Private Sub test() Dim rng As Range, i As Integer i = For Each rng In Range("A1:A18") Range("I" & i) = Application.WorksheetFunction.CountIf(Range("A" & i &a
http://blog.csdn.net/chenmeng2192089/article/details/9155625 一.运算符算术运算符:+ - * / 可以在select 语句中使用连接运算符:|| select deptno|| dname from dept; 比较运算符:> >= = != < <= like between is null in逻辑运算符:not and or 集合运算符: intersect ,union, union all, minus 要求: