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Editorial Team
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Asked: 2026-06-10T12:50:34+00:00

I know how to do this one way but the query i have created

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I know how to do this one way but the query i have created takes about 1:30 to run and i need to optimize this to be faster due to system limitations. Ive used multiple joins of the same table to do this but was wondering if there is a shorter query or more efficient query i could use.

Ive given a sample of the query but it does have about 100 columns pulled from a rows on the OrderItemFormDateFields table referenced below. Ive created columns and i get the results i need, but again, its slow. Let me know if you need any more detailed info about the tables.

I guess im basically looking for a way to dynamically populate rather than list out each column. Ive seen a few different ways with pivots and case statements but im not very good with pivots yet and case seemed like it would be even more inefficient. Thanks!

SELECT
OrderNumber
,Product
,OrderDate
,   oifd1.value as  'ADD_SUBJ_ADDRESS'
,   oifd2.value as  'ADD_SUBJ_BATHS'
,   oifd3.value as  'ADD_SUBJ_BEDROOMS'
,   oifd4.value as  'ADD_SUBJ_DATE'
,   oifd5.value as  'ADD_SUBJ_GLA'
FROM(
SELECT CAST(oi.orderid as VARCHAR(MAX))+'.'+CAST(oi.orderitemid as VARCHAR(MAX))     as      OrderNumber
,p.abbreviation as product, o.orderdate
FROM OrderItems oi
join products p on p.productid = oi.productid
join orders o on o.orderid = oi.orderid)x
left    join    orderitemformdatafields     oifd1   on      oifd1.orderreference    =   OrderNumber and oifd1.fieldname in  (     'SUBJ_STREET_ADDR')
left    join    orderitemformdatafields     oifd2   on      oifd2.orderreference    =   OrderNumber and oifd2.fieldname in  (      'ADD_SUBJ_BATHS')
 left   join    orderitemformdatafields     oifd3   on      oifd3.orderreference    =   OrderNumber and oifd3.fieldname in  (      'ADD_SUBJ_BEDROOMS')
 left   join    orderitemformdatafields     oifd4   on     oifd4.orderreference =   OrderNumber and oifd4.fieldname in  (     'ADD_SUBJ_DATE')
left    join    orderitemformdatafields     oifd5   on      oifd5.orderreference    =   OrderNumber and oifd5.fieldname in  (     'ADD_SUBJ_GLA')
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1 Answer

  1. Editorial Team

    hope this will help you.

    select * from (
SELECT CAST(oi.orderid as VARCHAR(MAX))+'.'+CAST(oi.orderitemid as VARCHAR(MAX))     as      OrderNumber
,p.abbreviation as product, o.orderdate
,oifd.value as value
,oifd.fieldname as fieldname
FROM OrderItems oi
join products p on p.productid = oi.productid
join orders o on o.orderid = oi.orderid
left join orderitemformdatafields     oifd   on  oifd.orderreference = CAST(oi.orderid as VARCHAR(MAX))+'.'+CAST(oi.orderitemid as VARCHAR(MAX))
) as p
PIVOT
(
    MAX(value) FOR fieldname in ([SUBJ_STREET_ADDR],[ADD_SUBJ_BATHS],[ADD_SUBJ_BEDROOMS],[ADD_SUBJ_DATE],[ADD_SUBJ_GLA])
)AS pvt
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