Finalizing questions and generating report

Schrick-Noah_Exam-1.sql

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+/* *** EX1-QACS.A *** */
+SELECT *
+	FROM CUSTOMER
+;
+
+SELECT *
+	FROM ITEM
+;
+
+SELECT *
+	FROM SALE
+;
+
+SELECT *
+	FROM SALE_ITEM
+;
+
+/* *** EX1-QACS.B *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+;
+
+/* *** EX1-QACS.C *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE FirstName LIKE 'John'
+;
+
+/* *** EX1-QACS.D *** */
+SELECT c.LastName, c.FirstName, c.Phone, s.SaleDate, s.Total
+	FROM CUSTOMER c, SALE s
+		WHERE c.CustomerID = s.CustomerID AND s.Total > 100
+;
+
+/* *** EX1-QACS.E *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE FirstName LIKE 'D%'
+;
+
+/* *** EX1-QACS.F *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE LastName LIKE '%ne%'
+;
+
+/* *** EX1-QACS.G *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE PHONE LIKE '%56_'
+;
+
+/* *** EX1-QACS.H *** */
+SELECT MAX(Total) AS MaxSalesTotal, MIN(Total) AS MinSalesTotal
+	FROM SALE
+;
+
+/* *** EX1-QACS.I *** */
+SELECT AVG(Total) AS AvgSalesTotal
+	FROM SALE
+;
+
+/* *** EX1-QACS.J *** */
+SELECT COUNT(*) AS NumCustomers
+	FROM CUSTOMER
+;
+
+/* *** EX1-QACS.K *** */
+SELECT LastName, FirstName
+	FROM CUSTOMER
+		GROUP BY LastName, FirstName
+;
+
+/* *** EX1-QACS.L *** */
+SELECT LastName, FirstName, COUNT(*) AS NameCombo
+	FROM CUSTOMER
+		GROUP BY LastName, FirstName
+;
+
+/* *** EX1-QACS.M *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE CustomerID IN
+			(SELECT CustomerID
+				FROM SALE
+					WHERE Total > 100
+			)
+		ORDER BY LastName ASC, FirstName DESC
+;
+			
+/* *** EX1-QACS.N *** */
+SELECT DISTINCT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c, SALE s
+		WHERE c.CustomerID = s.CustomerID  AND s.Total > 100
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.O *** */
+SELECT DISTINCT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c JOIN SALE s 
+		ON c.CustomerID = s.CustomerID
+			WHERE s.Total > 100
+				ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.P *** */
+SELECT LastName, FirstName, Phone
+	FROM CUSTOMER
+		WHERE CustomerID IN
+			(SELECT CustomerID
+			 FROM SALE
+		 	 WHERE SaleID IN
+				(SELECT SaleID
+				 FROM SALE_ITEM
+				 WHERE ItemID IN
+					(SELECT ItemID
+					 FROM ITEM
+					 WHERE ItemDescription LIKE 'Desk Lamp'
+					)
+				)		
+			)
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.Q *** */
+SELECT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c, SALE s, Sale_ITEM si, ITEM i
+		WHERE c.CustomerID = s.CustomerID
+		 AND  s.SaleID = si.SaleID
+		 AND  si.ItemID = i.ItemID
+		 AND  i.ItemDescription LIKE 'Desk Lamp'
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.R *** */
+SELECT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c JOIN SALE s ON c.CustomerID = s.CustomerID
+	  JOIN Sale_ITEM si ON s.SaleID = si.SaleID
+	  JOIN ITEM i ON si.ItemID = i.ItemID
+		WHERE i.ItemDescription LIKE 'Desk Lamp'
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.S *** */
+SELECT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c JOIN SALE s ON c.CustomerID = s.CustomerID
+	  JOIN Sale_ITEM si ON s.SaleID = si.SaleID
+	  	WHERE si.ItemID IN
+			(SELECT ItemID 
+			 FROM ITEM 
+			 WHERE ItemDescription LIKE 'Desk Lamp'
+			)
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.T *** */
+SELECT c.LastName, c.FirstName, c.Phone
+	FROM CUSTOMER c JOIN SALE s ON c.CustomerID = s.CustomerID
+		WHERE s.SaleID IN	
+		  (SELECT SaleID
+		   FROM SALE_ITEM
+		   WHERE ItemID IN
+			(SELECT ItemID
+			 FROM ITEM
+			 WHERE ItemDescription LIKE 'Desk Lamp'
+			)
+      	  )
+			ORDER BY LastName ASC, FirstName DESC
+;
+
+/* *** EX1-QACS.U *** */
+SELECT c.LastName, c.FirstName, c.Phone, 'Item' = 
+	CASE 
+		WHEN i.ItemDescription = 'Desk Lamp' THEN i.ItemDescription 
+		ELSE ''
+	END
+	FROM CUSTOMER c JOIN SALE s ON c.CustomerID = s.CustomerID
+	  JOIN Sale_ITEM si ON s.SaleID = si.SaleID
+	  JOIN ITEM i ON si.ItemID = i.ItemID
+		ORDER BY 'Item' DESC, LastName ASC, FirstName DESC
+;
+