sql - SAS - 创建增量表

Question

我需要在 SAS 中创建一个增量表。这个表包含了该月的第一天和最后一天到今天(每个月都需要执行)。看起来像这样

First day month Final month day
01/01/2019  31/01/2019
01/02/2019  28/02/2019
01/03/2019  31/03/2019
01/04/2019  30/04/2019
01/05/2019  31/05/2019
01/06/2019  30/06/2019
01/07/2019  31/07/2019
01/08/2019  31/08/2019
01/09/2019  30/09/2019
01/10/2019  31/10/2019
01/11/2019  30/11/2019
01/12/2019  31/12/2019
01/01/2020  31/01/2020
01/02/2020  29/02/2020
01/03/2020  31/03/2020
01/04/2020  30/04/2020
01/05/2020  31/05/2020
01/06/2020  30/06/2020
01/07/2020  31/07/2020
01/08/2020  31/08/2020
01/09/2020  30/09/2020
01/10/2020  31/10/2020

谢谢

Answer 1

试试这个

data want;
   first = '01jan2019'd;
   do while (1);
      last = intnx('month', first, 0, 'e');
      if last > today() then leave;
      output;
      first = last + 1;
   end;
   format first last ddmmyy10.;
run;