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Sub CountTest() Dim mycount As Integer, rng As Range For Each rng In Range("A1:B50") If rng.Value > 1000 Then mycount = mycount + 1 Next MsgBox "大于100 阅读全文
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在 SQL 中增加 HAVING 子句原因是,WHERE 关键字无法与聚合函数一起使用。 SQL HAVING 语法 SELECT column_name, aggregate_function(column_name) FROM table_name WHERE column_name opera 阅读全文
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1、乘法口诀 public class BubbleSort { public static void main(String[] args) { int i,j = 0; for (i=1;i<10;i++) { for(j=1;j<i+1;j++) { System.out.print(j+"* 阅读全文
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1、JS var sum = 0;for(var i = 1; i <= 100; i++){sum = sum + i; }alert(sum); 2、Java public static void main(String[] args) { int sum = 0; for (int i = 0 阅读全文