摘要:
SELECT @StuId='"'+STRING_AGG(Id,'","')+'"'FROM( SELECT 'a'+cast(Id as varchar) Id from Student) AS TEStudent 可以用以下替代 set @StuId=STUFF((select ','+Id f 阅读全文
摘要:
public class Program { static void Main() { Random rd = new Random(); for (int i = 0; i < 10; i++) { int index = rd.Next(0, 4); var stortUrls = ShortU 阅读全文