Sample files

IBM DB2/Chapter 01/Listing 1.004.sql

@@ -1,19 +1,20 @@
 -- Ensure you've run Item04StructureAndData.sql in the 
--- Sample Databases folder in order to run this example.
+-- Sample Databases folder and Listing 1.003.sql in order 
+-- to run this example.
 
 SET SCHEMA Item04Example;
 
-SELECT AuthorID AS AuthID, CONCAT(AuthFirst, 
+SELECT AuthorID AS AuthID, AuthFirst || 
   CASE 
     WHEN AuthMid IS NULL
     THEN ' '
-    ELSE CONCAT(' ', CONCAT(AuthMid, ' '))
-  END, AuthLast) AS AuthName,
-  CONCAT(AuthStNum, CONCAT(' ', CONCAT(AuthStreet, 
-      CONCAT(' ', CONCAT(AuthCity, 
-	  CONCAT(', ', CONCAT(AuthStProv, 
-	  CONCAT(' ', CONCAT(AuthPostal, 
-	  CONCAT(', ', AuthCountry)))))))))) 
+    ELSE ' ' || AuthMid || ' '
+  END || AuthLast AS AuthName,
+  AuthStNum || ' ' || AuthStreet 
+            || ' ' || AuthCity 
+	  		|| ', ' || AuthStProv 
+	  		|| ' ' || AuthPostal 
+	  		|| ', ' || AuthCountry 
     AS AuthAddress
 FROM Authors;
 

IBM DB2/Chapter 01/Listing 1.009.sql

@@ -9,11 +9,11 @@ SET SCHEMA SalesOrdersSample;
 -- Included as comments for reference.
 -- CREATE TABLE Customers (
 --   CustomerID int NOT NULL PRIMARY KEY ,
---   CustFirstName nvarchar (25) NULL ,
---   CustLastName nvarchar (25) NULL ,
---   CustStreetAddress nvarchar (50) NULL ,
---   CustCity nvarchar (30) NULL ,
---   CustState nvarchar (2) NULL ,
---   CustZipCode nvarchar (10) NULL ,
+--   CustFirstName varchar (25) NULL ,
+--   CustLastName varchar (25) NULL ,
+--   CustStreetAddress varchar (50) NULL ,
+--   CustCity varchar (30) NULL ,
+--   CustState varchar (2) NULL ,
+--   CustZipCode varchar (10) NULL ,
 --   CustAreaCode smallint NULL DEFAULT 0 ,
---   CustPhoneNumber nvarchar (8) NULL );
+--   CustPhoneNumber varchar (8) NULL );

IBM DB2/Chapter 02/Listing 2.008.sql

@@ -7,7 +7,7 @@ SET SCHEMA Item11Example;
 -- Listing 2.8 Table Creation SQL
 
 CREATE TABLE Customers (
-	CustomerID int PRIMARY KEY NOT NULL ,
+	CustomerID int NOT NULL PRIMARY KEY ,
 	CustFirstName varchar (25) NULL ,
 	CustLastName varchar (25) NULL ,
 	CustStreetAddress varchar (50) NULL ,

IBM DB2/Chapter 02/Listing 2.010.sql

@@ -5,9 +5,9 @@ SET SCHEMA Item11Example;
 -- If you've run Listing 2.009.sql, you'll need to drop the index created
 -- in that listing, since we re-used the index name.
 -- If you have not run Listing 2.009.sql, comment out the DROP INDEX statement.
-DROP INDEX CustName ON Customers;
+DROP INDEX CustName;
 
 CREATE INDEX CustName ON Customers(CustFirstName, CustLastName);
 
 -- Run the following if you do not want to keep the index.
--- DROP INDEX CustName ON Customers;
+-- DROP INDEX CustName;

IBM DB2/Chapter 03/Listing 3.006.sql

@@ -7,10 +7,10 @@ SET SCHEMA Item20DB2Example;
 CREATE TABLE Sales (
   SalesId int PRIMARY KEY NOT NULL,
   RetailerId int NULL,
-  Sales int NULL,
-  Cost float NULL,
-  Quantity int NULL,
-  GrossProfit float NULL,
+  Sales int NOT NULL,
+  Cost float NOT NULL,
+  Quantity int NOT NULL,
+  GrossProfit float NOT NULL,
   ProductId int NULL,
   OrderDay date NULL
 );
@@ -57,32 +57,34 @@ CREATE TABLE ProductType (
 );
 
 CREATE SUMMARY TABLE SalesSummary AS (
-SELECT SUM(T1.Sales) AS Sales,
-  SUM(T1.Cost * T1.Quantity) AS Cost,
-  SUM(T1.Quantity) AS Quantity,
-  SUM(T1.GrossProfit) AS GrossProfit,
+SELECT 
   T5.RegionName AS RegionName,
   T5.CountryCode AS CountryCode,
   T6.ProductTypeCode AS ProductTypeCode,
   T4.CurrentYear AS CurrentYear,
   T4.CurrentQuarter AS CurrentQuarter,
-  T4.CurrentMonth AS CurrentMonth
-FROM Sales AS T1 
-INNER JOIN Retailer AS T2
-  ON T1.RetailerId = T2.RetailerId 
-INNER JOIN Product AS T3
-  ON T1.ProductId = T3.ProductId
-INNER JOIN datTime AS T4
-  ON T1.OrderDay = T4.DayKey 
-INNER JOIN Region AS T5
-  ON T2.RetailerCountryCode = T5.CountryCode
-INNER JOIN ProductType AS T6
-  ON T3.ProductTypeId = T6.ProductTypeId 
+  T4.CurrentMonth AS CurrentMonth,
+  COUNT(*) AS RowCount,
+  SUM(T1.Sales) AS Sales,
+  SUM(T1.Cost * T1.Quantity) AS Cost,
+  SUM(T1.Quantity) AS Quantity,
+  SUM(T1.GrossProfit) AS GrossProfit
+FROM Sales AS T1, 
+	 Retailer AS T2,
+	 Product AS T3,
+	 datTime AS T4, 
+	 Region AS T5,
+	 ProductType AS T6
+WHERE T1.RetailerId = T2.RetailerId
+  AND T1.ProductId = T3.ProductId
+  AND T1.OrderDay = T4.DayKey
+  AND T2.RetailerCountryCode = T5.CountryCode
+  AND T3.ProductTypeId = T6.ProductTypeId
 GROUP BY T5.RegionName, T5.CountryCode, T6.ProductTypeCode,
   T4.CurrentYear, T4.CurrentQuarter, T4.CurrentMonth
 )
 DATA INITIALLY DEFERRED
-REFRESH DEFERRED
+REFRESH IMMEDIATE
 ENABLE QUERY OPTIMIZATION
 MAINTAINED BY SYSTEM
 NOT LOGGED INITIALLY;

IBM DB2/Chapter 04/Listing 4.017.sql

@@ -14,4 +14,23 @@ INNER JOIN Order_Details
 INNER JOIN Products
   ON Products.ProductNumber = Order_Details.ProductNumber;
 
+DROP VIEW CustomerProducts;
+
+-- Sample query that searches products correctly:
+CREATE VIEW CustomerProducts AS
+SELECT DISTINCT Customers.CustomerID, Customers.CustFirstName,
+  Customers.CustLastName,
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
+FROM Customers INNER JOIN Orders
+  ON Customers.CustomerID = Orders.CustomerID
+INNER JOIN Order_Details
+  ON Orders.OrderNumber = Order_Details.OrderNumber
+INNER JOIN Products
+  ON Products.ProductNumber = Order_Details.ProductNumber;
+
 DROP VIEW CustomerProducts;

IBM DB2/Chapter 04/Listing 4.018.sql

@@ -14,12 +14,18 @@ DROP VIEW ProdsOfInterest;
 
 -- Sample query that searches products correctly:
 CREATE VIEW ProdsOfInterest AS
-SELECT Products.ProductName
+SELECT DISTINCT 
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
 FROM Products
 WHERE ProductName LIKE '%Skateboard%'
-   OR ProductName LIKE '%Helmet%' 
-   OR ProductName LIKE '%Knee Pads%' 
+   OR ProductName LIKE '%Helmet%'
+   OR ProductName LIKE '%Knee Pads%'
    OR ProductName LIKE '%Gloves%';
-
+   
 DROP VIEW ProdsOfInterest;
 

IBM DB2/Chapter 04/Listing 4.019.sql

@@ -34,8 +34,14 @@ DROP VIEW CustomerProducts;
 
 -- Sample query that searches products correctly:
 CREATE VIEW CustomerProducts AS
-SELECT DISTINCT Customers.CustomerID, Customers.CustFirstName, 
-  Customers.CustLastName, Products.ProductName
+SELECT DISTINCT Customers.CustomerID, Customers.CustFirstName,
+  Customers.CustLastName,
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
 FROM Customers INNER JOIN Orders
   ON Customers.CustomerID = Orders.CustomerID
 INNER JOIN Order_Details
@@ -44,7 +50,13 @@ INNER JOIN Products
   ON Products.ProductNumber = Order_Details.ProductNumber;
 
 CREATE VIEW ProdsOfInterest AS
-SELECT Products.ProductName
+SELECT DISTINCT 
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
 FROM Products
 WHERE ProductName LIKE '%Skateboard%'
    OR ProductName LIKE '%Helmet%' 
@@ -54,11 +66,11 @@ WHERE ProductName LIKE '%Skateboard%'
 SELECT DISTINCT CustomerID, CustFirstName, CustLastName
 FROM CustomerProducts AS CP1
 WHERE NOT EXISTS
-  (SELECT ProductName FROM ProdsOfInterest AS PofI
+  (SELECT ProductCategory FROM ProdsOfInterest AS PofI
     WHERE NOT EXISTS
     (SELECT CustomerID FROM CustomerProducts AS CP2
       WHERE CP2.CustomerID = CP1.CustomerID
-      AND CP2.ProductName = PofI.ProductName));
+      AND CP2.ProductCategory = PofI.ProductCategory));
 
 DROP VIEW ProdsOfInterest;
 DROP VIEW CustomerProducts;

IBM DB2/Chapter 04/Listing 4.020.sql

@@ -32,8 +32,14 @@ DROP VIEW CustomerProducts;
 
 -- Sample query that searches products correctly:
 CREATE VIEW CustomerProducts AS
-SELECT DISTINCT Customers.CustomerID, Customers.CustFirstName, 
-  Customers.CustLastName, Products.ProductName
+SELECT DISTINCT Customers.CustomerID, Customers.CustFirstName,
+  Customers.CustLastName,
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
 FROM Customers INNER JOIN Orders
   ON Customers.CustomerID = Orders.CustomerID
 INNER JOIN Order_Details
@@ -42,19 +48,25 @@ INNER JOIN Products
   ON Products.ProductNumber = Order_Details.ProductNumber;
 
 CREATE VIEW ProdsOfInterest AS
-SELECT Products.ProductName
+SELECT DISTINCT 
+       CASE WHEN Products.ProductName LIKE '%Skateboard%' THEN 'Skateboard'
+              WHEN Products.ProductName LIKE '%Helmet%' THEN 'Helmet'
+              WHEN Products.ProductName LIKE '%Knee Pads%' THEN 'Knee Pads'
+              WHEN Products.ProductName LIKE '%Gloves%' THEN 'Gloves'
+              ELSE NULL
+       END AS ProductCategory
 FROM Products
 WHERE ProductName LIKE '%Skateboard%'
    OR ProductName LIKE '%Helmet%' 
    OR ProductName LIKE '%Knee Pads%' 
    OR ProductName LIKE '%Gloves%';
 
 SELECT CP.CustomerID, CP.CustFirstName, CP.CustLastName
-FROM CustomerProducts AS CP, ProdsOfInterest AS PofI
-WHERE CP.ProductName = PofI.ProductName
+FROM CustomerProducts AS CP CROSS JOIN ProdsOfInterest AS PofI
+WHERE CP.ProductCategory = PofI.ProductCategory
 GROUP BY CP.CustomerID, CP.CustFIrstName, CP.CustLastName
-HAVING COUNT(CP.ProductName) = 
-  (SELECT COUNT(ProductName) FROM ProdsOfInterest);
+HAVING COUNT(CP.ProductCategory) =
+  (SELECT COUNT(ProductCategory) FROM ProdsOfInterest);
 
 DROP VIEW ProdsOfInterest;
 DROP VIEW CustomerProducts;

IBM DB2/Chapter 04/Listing 4.028.sql

@@ -7,8 +7,8 @@ SET SCHEMA Item28Example;
 -- Listing 4.28 Table and Index creation DDL
 CREATE TABLE Employees (
   EmployeeID int GENERATED BY DEFAULT AS IDENTITY (START WITH 1 INCREMENT BY 1) NOT NULL PRIMARY KEY ,
-  EmpFirstName nvarchar (25) NULL ,
-  EmpLastName nvarchar (25) NULL ,
+  EmpFirstName varchar (25) NULL ,
+  EmpLastName varchar (25) NULL ,
   EmpDOB date NULL ,
   EmpSalary decimal(19,4) NULL 
 );

IBM DB2/Chapter 05/Listing 5.015.sql

@@ -36,4 +36,5 @@ HAVING SUM(OD.QuotedPrice * OD.QuantityOrdered) > (
 	SELECT a.AverageOfCategory 
 	FROM AveragePerCategory AS a 
 	WHERE a.CategoryID = P.CategoryID
-);
+)
+ORDER BY CategoryDescription, ProductName;

IBM DB2/Chapter 05/Listing 5.016.sql

@@ -40,4 +40,5 @@ HAVING SUM(D.QuotedPrice * D.QuantityOrdered) >
 	SELECT a.AverageOfCategory 
 	FROM AveragePerCategory AS a 
 	WHERE a.CategoryID = D.CategoryID
-);
+)
+ORDER BY CategoryDescription, ProductName;

IBM DB2/Chapter 05/Listing 5.026.sql

@@ -23,6 +23,6 @@ FROM (Recipe_Classes
      Ingredient_Classes.IngredientClassDescription = 'Spice') 
     AS RI
       ON Recipes.RecipeID = RI.RecipeID 
-WHERE Recipe_Classes.RecipeClassID = 1 --RecipeClassDescription = 'Main course' 
+WHERE RecipeClassDescription = 'Main course' 
 GROUP BY Recipes.RecipeTitle
 HAVING COUNT(RI.RecipeID) < 3;

IBM DB2/Chapter 06/Listing 6.002.sql

@@ -10,7 +10,7 @@ FROM Customers
   INNER JOIN Orders
     ON Customers.CustomerID = Orders.CustomerID
 WHERE EXISTS 
-  (SELECT * 
+  (SELECT NULL 
    FROM (Orders AS O2
       INNER JOIN Order_Details
         ON O2.OrderNumber = Order_Details.OrderNumber)
@@ -19,7 +19,7 @@ WHERE EXISTS
    WHERE Products.ProductName = 'Skateboard' 
     AND O2.OrderNumber = Orders.OrderNumber)
 AND EXISTS 
-  (SELECT * 
+  (SELECT NULL
    FROM (Orders AS O3 
       INNER JOIN Order_Details
         ON O3.OrderNumber = Order_Details.OrderNumber)
@@ -35,7 +35,7 @@ FROM Customers
   INNER JOIN Orders
     ON Customers.CustomerID = Orders.CustomerID
 WHERE EXISTS 
-  (SELECT * 
+  (SELECT NULL
    FROM (Orders AS O2
       INNER JOIN Order_Details
         ON O2.OrderNumber = Order_Details.OrderNumber)
@@ -44,7 +44,7 @@ WHERE EXISTS
    WHERE Products.ProductName LIKE '%Skateboard%' 
     AND O2.OrderNumber = Orders.OrderNumber)
 AND EXISTS 
-  (SELECT * 
+  (SELECT NULL
    FROM (Orders AS O3 
       INNER JOIN Order_Details
         ON O3.OrderNumber = Order_Details.OrderNumber)

IBM DB2/Chapter 06/Listing 6.011.sql

@@ -7,14 +7,14 @@ SET SCHEMA RecipesSample;
 SELECT Recipes.RecipeTitle
 FROM Recipes
 WHERE EXISTS 
-  (SELECT Recipe_Ingredients.RecipeID
+  (SELECT NULL
    FROM Ingredients INNER JOIN Recipe_Ingredients
      ON Ingredients.IngredientID = 
           Recipe_Ingredients.IngredientID
    WHERE Ingredients.IngredientName = 'Beef'
       AND Recipe_Ingredients.RecipeID = Recipes.RecipeID)
 AND EXISTS 
-  (SELECT Recipe_Ingredients.RecipeID
+  (SELECT NULL
    FROM Ingredients INNER JOIN Recipe_Ingredients
      ON Ingredients.IngredientID = 
           Recipe_Ingredients.IngredientID

IBM DB2/Chapter 06/Listing 6.018.sql

@@ -6,5 +6,5 @@ SET SCHEMA BeerStylesExample;
 
 SELECT S.StyleNm
 FROM Styles AS S
-WHERE EXISTS (SELECT 1 FROM Countries WHERE CountryNM = 'Belgium' 
+WHERE EXISTS (SELECT NULL FROM Countries WHERE CountryNM = 'Belgium' 
   AND Countries.CountryID = S.CountryFK);

IBM DB2/Chapter 07/Listing 7.013.sql

@@ -0,0 +1,6 @@
+-- Listing 7.14 Get a list of tables and views
+
+-- Not supported on DB2 For Linux, Unix, and Windows; only on DB2 for i Series. Untested.
+SELECT T.TABLE_NAME, T.TABLE_TYPE
+FROM INFORMATION_SCHEMA.TABLES AS T
+WHERE T.TABLE_TYPE IN ('BASE TABLE', 'VIEW');

IBM DB2/Chapter 07/Listing 7.014.sql

@@ -1,5 +1,6 @@
--- Listing 7.14 Get a list of tables and views
+-- Listing 7.15 Get a list of constraints
 
 -- Not supported on DB2 For Linux, Unix, and Windows; only on DB2 for i Series. Untested.
-SELECT T.TABLE_NAME, T.TABLE_TYPE
-FROM INFORMATION_SCHEMA.TABLES AS T;
+SELECT TC.CONSTRAINT_NAME, TC.TABLE_NAME, TC.CONSTRAINT_TYPE
+FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS TC;
+