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SQL assist - hard to difficult - rows to columns

Posted on 2011-09-19
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Last Modified: 2012-05-12
Hi experts - - is this enough info to help me convert two distinct rows that get returned to a single row with multiple columns. I particularly need each sum for each term, with the term listed next to its sum.

      select b.national_id, a.emplid, a.account_term,sum(a.line_amt) from ps_item_line_sf a, ps_pers_nid b
      where a.emplid = '10837633' and a.account_term in('1116','1119') and a.emplid = b.emplid
      group by b.national_id, a.emplid, a.account_term

result desired is: national_id, emplid, term 1116, sum for term 1116, term 1119, sum for term 1119
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Question by:COBOLforever
4 Comments
 
LVL 76

Expert Comment

by:slightwv (䄆 Netminder)
ID: 36563747
There is a ton of links out there on this very topic.  Have you not been able to locate any?

The catch is you need to have a fixed number of columns.  You cannot have 1116 and 1119 for one query then 1116, 1119, 2000 the next.  There has to be a defined limit.

That or move to a single delimited column like a CSV.
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LVL 74

Expert Comment

by:sdstuber
ID: 36563934
try this...

SELECT b.national_id,
       a.emplid,
       SUM(CASE WHEN a.account_term = '1116' THEN a.line_amt END) sum_1116,
       SUM(CASE WHEN a.account_term = '1119' THEN a.line_amt END) sum_1119
  FROM ps_item_line_sf a, ps_pers_nid b
 WHERE a.emplid = '10837633' AND a.account_term IN ('1116', '1119') AND a.emplid = b.emplid
GROUP BY b.national_id, a.emplid
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LVL 5

Accepted Solution

by:
AlokJain0412 earned 500 total points
ID: 36565284
Hi Just try this
and let me know

SELECT national_id, emplid,[1116], [1119]
FROM
(select b.national_id, a.emplid, a.account_term,a.line_amt,a.account_term from ps_item_line_sf a, ps_pers_nid b
      where a.emplid = '10837633' and a.account_term in('1116','1119') and a.emplid = b.emplid
      group by b.national_id, a.emplid, a.account_term) as b

PIVOT
(
sum(line_amt)
FOR account_term IN ([1116], [1119])
) AS PivotTable
0
 

Author Closing Comment

by:COBOLforever
ID: 36921928
That did it - - thanks much.
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