Just to demonstrate how much difference aliases can make. I used aliases in your joins and that massive wall of text in the middle is a LOT more friendly.
SELECT ItemKey
, Description
, Aflatoxin
, [Coliform Bacteria]
, [E_Coli],[Fumonisin]
, Melamine
, Moisture
, Mold
, Salmonella
, [Vomitoxin (DON)]
, Yeast
FROM
(
SELECT tblInventory.ItemKey
, tblInventory.Description
, pcrt.ProductTestClassID
, tt.TestDescription
FROM tlbTestType tt
INNER JOIN jctProductClassificationRequiredTest pcrt ON tt.TestID = pcrt.TestID
INNER JOIN tblProductTestClassification ptc ON ptc.ProductTestClassID = pcrt.ProductTestClassID
INNER JOIN tblInventory i ON ptc.ProductTestClassID = i.ProductTestClassID
) PT
PIVOT (COUNT (ProductTestClassID) FOR TestDescription IN
(
Aflatoxin
, [Coliform Bacteria]
, [E_Coli]
, [Fumonisin]
, Melamine
, Moisture
, Mold
, Salmonella
, [Vomitoxin (DON)]
, Yeast
)
) AS TestRequirements
_______________________________________________________________
Need help? Help us help you.
Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.
Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.
Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/