Question

I have a following table,

Code    Desc    Curr_Year
-------------------------
AB      XYZ     2019

And I am looking for a SQL query which repeats the same row from year 1993 to 2019.

The output should look like this:

Code    Desc    Curr_Year Inc_Yr
---------------------------------
AB      XYZ     2019      1993
AB      XYZ     2019      1994
AB      XYZ     2019      1995
AB      XYZ     2019      1996
.       .       .         .
.       .       .         .

AB      XYZ     2019      2019

I am using SQL Server 2012.

I am not a SQL expert and really struggling to get this done.

Any help would be greatly appreciated.

Answer 1

SQL DEMO

;WITH Years AS
(
  SELECT Inc_Yr = ROW_NUMBER() OVER (ORDER BY [object_id]) 
  FROM sys.all_objects     
)
SELECT Table1.*, Inc_Yr 
FROM Years 
CROSS JOIN Table1
WHERE Inc_Yr BETWEEN 1993  AND 2019
ORDER BY Inc_Yr;

Answer 2

I would do it like:

SELECT Code
      ,Desc
      ,Curr_Year 
      ,g.num as Inc_Yr
  FROM yourtable A
  CROSS JOIN (SELECT TOP 26 1992+ ROW_NUMBER() OVER (ORDER BY [object_id]) as num FROM sys.all_objects) g

In a first step generating a list of values of all years you need, then a simple CROSS JOIN.

If you are not allowed to use the table sys.all_objects, you could still use a list of values. Have a look at the second answer to this question:

How can I select from list of values in SQL Server

SQL to repeat rows from a specific year to current year

2 个答案: