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POHow to return "0" sales for a kind of subtexture from a left join of results that is null
 

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  1. POHow to return "0" sales for a kind of subtexture from a left join of results that is null
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    <p>DBMS: Derby</p> <p>Language: Java</p> <p>The outer query get the results off the inner query in which it gets the sales of a kind of subtexture within a certain date but sometimes there are no order details for a certain kind of subtexture. So there is nothing to join, I'd like to see a "0" for this kind of situation. Sorry for the bad naming and indentation. Thanks Jack</p> <pre><code>SELECT s1.TextureName AS TYPE, T.month AS MONTH, NULLIF(sum(S.Sales),0) AS NS, NULLIF(T.Total,0) AS total, NULLIF(NULLIF(cast(S.Sales AS Float),0.0) / NULLIF(Cast(T.Total AS float),0.0) * 100.0,0.0) AS percent FROM subtexture s1 LEFT JOIN (SELECT s.SubTextureID, sum(od.NetSales) AS Sales, MONTH(o.PURCHASEDATETIME) AS MONTH FROM subtexture s LEFT JOIN products p ON (s.SubTextureID = p.SubTextureID) LEFT JOIN order_details od ON (p.ProductCode = od.ProductCode) LEFT JOIN orders o ON (od.OrderCode = o.OrderCode) WHERE TRIM(CAST(CAST(YEAR(o.PurchaseDateTime) AS CHAR(4)) AS VARCHAR(4))) || '-' || TRIM(CAST(CAST(MONTH(o.PurchaseDateTime) AS CHAR(2)) AS VARCHAR(2))) = '2013-11' GROUP BY s.SubTextureID, MONTH(o.PurchaseDateTime)) AS S ON (S.SubTextureID = s1.SubTextureID) , (SELECT sum(od.NetSales) AS Total, MONTH(o.PurchaseDateTime) AS MONTH FROM orders o LEFT JOIN order_details od ON (o.OrderCode = od.OrderCode) WHERE TRIM(CAST(CAST(YEAR(o.PurchaseDateTime) AS CHAR(4)) AS VARCHAR(4))) || '-' ||TRIM(CAST(CAST(MONTH(o.PurchaseDateTime) AS CHAR(2)) AS VARCHAR(2))) = '2013-11' GROUP BY MONTH(o.PURCHASEDATETIME)) AS T WHERE T.MONTH = S.MONTH GROUP BY s1.TextureName, T.Total, T.MONTH, S.Sales </code></pre>
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    1. COSimplify your question and post only relevant parts of the query. Think of a much simpler example that also illustrates your problem.
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    2. COWhy did you use the Java tag? I cant see any Java related part in the question.
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    3. COSorry I'll try to cancel the Java tag
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      1. USuser3024062
 

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