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Featured Database Articles

SQL Scripts & Samples

Posted Sep 8, 2001


By DatabaseJournal.com Staff

This script generates simple pivot tables on data and outputs the final SQL statement via Print.

For example, given data as shown below:

ID          year        type        amt
----------- ----------- ----------- -----------
7           1999        1           23
8           1999        2           44
9           1999        3           55
10          2000        1           66
11          2000        2           77
12          2000        3           88
13          1999        1           11

... you can pivot the data to show the years down the side and the types across the top...

year        1           2           3           RowTotal
----------- ----------- ----------- ----------- -----------
1999        34          44          55          133
2000        66          77          88          231

... and get the SQL which would produce this table

     SELECT Pivot_Data.*,
      (Pivot_Data.[1] + Pivot_Data.[2] + Pivot_Data.[3]) AS RowTotal
     FROM (SELECT [year],
     SUM(CASE [type] WHEN '1' THEN [amt] ELSE 0 END) AS [1],
     SUM(CASE [type] WHEN '2' THEN [amt] ELSE 0 END) AS [2],
     SUM(CASE [type] WHEN '3' THEN [amt] ELSE 0 END) AS [3]
      FROM (select * from zzjunk) AS Base_Data
     GROUP BY [year]) AS Pivot_Data

.. by calling the procedure as shown below:

exec sp_Query_Pivot 'select * from zzjunk', '[year]', '[type]',
     'Select distinct [type] from zzjunk', 'SUM', '[amt]', 'Y'

Author: Jeff Zohrab

Download Script:

Disclaimer: We hope that the information on these script pages is valuable to you. Your use of the information contained in these pages, however, is at your sole risk. All information on these pages is provided "as -is", without any warranty, whether express or implied, of its accuracy, completeness, or fitness for a particular purpose... Disclaimer Continued

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