摘要:
Select * From 表 x Where 重复字段 In (Select 重复字段 From 表 Group By 重复字段 Having Count(*)>1) Order BY 重复字段 DELETE x FROM 表 x Where 重复字段 In (Select 重复字段 From 表 阅读全文
摘要:
using System; class Program { static void Main(string[] args) { int[] redBalls = new int[33]; for (int i = 0; i < redBalls.Length; i++) { redBalls[i] 阅读全文