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TexanInParis · Aug 29, 2016 · 3b033f0 · 3b033f0
1 parent 4096c86
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/Microsoft SQL Server/Chapter 04/Listing 4.020.sql b/Microsoft SQL Server/Chapter 04/Listing 4.020.sql
@@ -27,7 +27,7 @@ SELECT CP.CustomerID, CP.CustFirstName, CP.CustLastName
 FROM CustomerProducts AS CP CROSS JOIN ProdsOfInterest AS PofI
 WHERE CP.ProductName = PofI.ProductName
 GROUP BY CP.CustomerID, CP.CustFIrstName, CP.CustLastName
-HAVING COUNT(CP.ProductName) = 
+HAVING COUNT(DISTINCT CP.ProductName) = 
   (SELECT COUNT(ProductName) FROM ProdsOfInterest);
 GO
 

diff --git a/MySQL/Chapter 04/Listing 4.020.sql b/MySQL/Chapter 04/Listing 4.020.sql
@@ -24,7 +24,7 @@ SELECT CP.CustomerID, CP.CustFirstName, CP.CustLastName
 FROM CustomerProducts AS CP CROSS JOIN ProdsOfInterest AS PofI
 WHERE CP.ProductName = PofI.ProductName
 GROUP BY CP.CustomerID, CP.CustFIrstName, CP.CustLastName
-HAVING COUNT(CP.ProductName) = 
+HAVING COUNT(DISTINCT CP.ProductName) = 
   (SELECT COUNT(ProductName) FROM ProdsOfInterest);
 
 DROP VIEW CustomerProducts;