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Solved
Puzzle with a Crosstab Query
Posted on 2011-02-12
Hi,
I buy products. (tblProducts)
I but them from many suppliers. (tblSuppliers)
The table tblPrices holds the price of each item from the suppliers.
The KEY factor is that any one product could be bought from several suppliers.
The form frmPrices_Crosstab1 displays a grid all the product prices from all suppliers.
E.g. I can buy "Balls" for 888.00 from supplier "Gold Ireland".
There is a flag on the table tbl_Prices called "Use_Price" which will be TRUE if this is the chosen supplier for this particular product.
Problem : How do I show the "Use_Price" flag on the form frmPrices_Crosstab1.
Essentially, I am looking for an easy way to work-around the limitations of the crosstab.
(Possible clue : See the way I combined the product code and description into one field on this form).
DerekImport--2-.zip
I buy products. (tblProducts)
I but them from many suppliers. (tblSuppliers)
The table tblPrices holds the price of each item from the suppliers.
The KEY factor is that any one product could be bought from several suppliers.
The form frmPrices_Crosstab1 displays a grid all the product prices from all suppliers.
E.g. I can buy "Balls" for 888.00 from supplier "Gold Ireland".
There is a flag on the table tbl_Prices called "Use_Price" which will be TRUE if this is the chosen supplier for this particular product.
Problem : How do I show the "Use_Price" flag on the form frmPrices_Crosstab1.
Essentially, I am looking for an easy way to work-around the limitations of the crosstab.
(Possible clue : See the way I combined the product code and description into one field on this form).
DerekImport--2-.zip
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7 Comments
Active today
not really sure what you are looking for, try this
TRANSFORM Avg(tblPrices.CostPrice) AS AvgOfCostPrice
SELECT tblproducts.productcode & " --> " & tblproducts.description AS Expr1
FROM (tblPrices INNER JOIN tblProducts ON tblPrices.ProductCode = tblProducts.ProductCode) INNER JOIN tblSuppliers ON tblPrices.SupplierID = tblSuppliers.ID
Where tblPrices.Use_Price=True
GROUP BY tblproducts.productcode & " --> " & tblproducts.description
PIVOT tblSuppliers.SupplierName;
TRANSFORM Avg(tblPrices.CostPrice) AS AvgOfCostPrice
SELECT tblproducts.productcode & " --> " & tblproducts.description AS Expr1
FROM (tblPrices INNER JOIN tblProducts ON tblPrices.ProductCode = tblProducts.ProductCode) INNER JOIN tblSuppliers ON tblPrices.SupplierID = tblSuppliers.ID
Where tblPrices.Use_Price=True
GROUP BY tblproducts.productcode & " --> " & tblproducts.description
PIVOT tblSuppliers.SupplierName;
Active 7 days ago
Thanks capricorn1,
Not quite what I wanted.
I'll clarify if I can.
I want the crosstab to show all prices from all suppliers.
But since I have flagged one supplier (likely to be the cheapest!) as the one specific supplier for that specific product.
So, I want to see ALL prices (as my form currently shows) but I would like the chosen supplier highlighted somehow (using the crosstab format).
Not quite what I wanted.
I'll clarify if I can.
I want the crosstab to show all prices from all suppliers.
But since I have flagged one supplier (likely to be the cheapest!) as the one specific supplier for that specific product.
So, I want to see ALL prices (as my form currently shows) but I would like the chosen supplier highlighted somehow (using the crosstab format).
Active 7 days ago
See SQL below which works in a very crude way.
I linked the two fields "Use_price" and "CostPrice" into one single field.
This way the price chosen is prefixed by a -1 (!). So for instance a price of 555 is shown as -1555.
Very ugly but it does work.
Do you thinks there is a tidier way based on this logic??
TRANSFORM Avg([use_price] & [CostPrice]) AS Expr3
SELECT [tblproducts].[productcode
FROM (tblPrices INNER JOIN tblProducts ON tblPrices.[ProductCode] = tblProducts.ProductCode) INNER JOIN tblSuppliers ON tblPrices.SupplierID = tblSuppliers.ID
GROUP BY [tblproducts].[productcode
PIVOT tblSuppliers.[SupplierName
Active today
if for visual use only, try this
TRANSFORM Avg(IIf([use_price]=0,[Cos
SELECT [tblproducts].[productcode
FROM (tblPrices INNER JOIN tblProducts ON tblPrices.ProductCode = tblProducts.ProductCode) INNER JOIN tblSuppliers ON tblPrices.SupplierID = tblSuppliers.ID
GROUP BY [tblproducts].[productcode
PIVOT tblSuppliers.SupplierName;
TRANSFORM Avg(IIf([use_price]=0,[Cos
SELECT [tblproducts].[productcode
FROM (tblPrices INNER JOIN tblProducts ON tblPrices.ProductCode = tblProducts.ProductCode) INNER JOIN tblSuppliers ON tblPrices.SupplierID = tblSuppliers.ID
GROUP BY [tblproducts].[productcode
PIVOT tblSuppliers.SupplierName;
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