Instructor Inputs - Session 12 pptx

Instructor Inputs
Session 12

¤NIIT Instructor Inputs 12.3
This session includes exercises of Chapter 6, Chapter 7, and additional exercises.
Exercise 4
A view has been defined as follows:
CREATE VIEW vwSalesOrderDetail
AS
SELECT oh.SalesOrderID, TerritoryID, TotalDue, OrderQty, ProductID
FROM Sales.SalesOrderHeader oh JOIN Sales.SalesOrderDetail od
ON oh.SalesOrderID = od.SalesOrderID
The following update command gives an error when you update the OrderQty and
TerritoryID attributes:
UPDATE vwSalesOrderDetail
SET OrderQty = 2, TerritoryID = 4
FROM vwSalesOrderDetail
WHERE SalesOrderID = 43659
Identify the problem and provide the solution.
Solution
Since view contains the data from two tables, it is not possible to modify the data of two
tables through a view in a single Update statement. To solve the problem, you need to
execute two Update statements as follows:
UPDATE vwSalesOrderDetail
SET OrderQty = 2
FROM vwSalesOrderDetail
WHERE SalesOrderID = 43659
UPDATE vwSalesOrderDetail
SET TerritoryID = 4
FROM vwSalesOrderDetail
WHERE SalesOrderID = 43659

Solutions to Exercises
Chapter 6
12.4 Instructor Inputs ¤NIIT
Exercise 5
The Store table contains the details of all the stores. The HR Manager of
AdventureWorks, Inc. frequently queries the Store table based on the names of the stores.
He wants to create the following reports:
 A report containing the details of all the stores that contain the word 'bike' in their
names.
 A report displaying the names of all the stores containing the phrase 'Bike Store'.
Write the query so that the result set is retrieved very promptly.
Solution
To make searching fast on the Store table, you need to create a full-text index on the table.
To solve the problem, you need to execute the following statements:
SP_FULLTEXT_DATABASE ENABLE
CREATE FULLTEXT CATALOG CAT3 AS DEFAULT
CREATE FULLTEXT INDEX ON Sales.Store(Name) KEY INDEX
PK_Store_CustomerID

To retrieve the details of all the stores containing the word 'bike' in their names,
execute the following statement:
Select * from Sales.Store Where FreeText (Name, 'Bike')

To display the details of all the stores containing the phrase 'Bike Store' in their
names, execute the following statement:
Select * from Sales.Store Where Contains (Name, '"Bike Store"')
Exercise 6
Display the details of all the credit cards that are of type 'SuperiorCard'. The CreditCard
table contains a large amount of data. Therefore, the query takes a long time to retrieve
the details of the credit card. You need to optimize the execution of the query so that the

result set does not take time to be retrieved.
¤NIIT Instructor Inputs 12.5
Solution
To retrieve the details of all the credit cards that are of type 'SuperiorCard', you need to
create a full-text index on the CreditCard table. This will make the searching very fast. To
solve the problem, you need to execute the following statements:
SP_FULLTEXT_DATABASE ENABLE
CREATE FULLTEXT CATALOG CAT2 AS DEFAULT
CREATE FULLTEXT INDEX ON Sales.CreditCard(CardType) KEY INDEX
AK_CreditCard_CardNumber
Select * from Sales.CreditCard Where Contains (CardType,
'"SuperiorCard"')
Exercise 7
Display the details of all the currencies that contain the words 'New' and 'Dollar' in their
names. These words can be included in any order. In addition, you need to make sure that
the query does not take time to execute.
Solution
You need to create a full-text index on the Currency table to display the currencies
containing the words 'New' and 'Dollar' in their names. Full-text index will help in make
searching very fast. To solve the problem, you need to execute the following statements:
CREATE FULLTEXT INDEX ON Sales.Currency(Name) KEY INDEX
AK_Currency_Name
Select * from Sales.Currency Where FreeText (Name, '"New" And
"Dollar"')
Exercise 1
Create a batch that finds the average pay rate of the employees and then lists the details of
employees who have a pay rate less than the average pay rate.
Chapter 7
12.6 Instructor Inputs ¤NIIT
Solution

To solve the problem, you need to execute the following statements:
DECLARE @avg_rate int
SELECT @avg_rate = AVG(rate) FROM HumanResources.EmployeePayHistory
SELECT * FROM HumanResources.EmployeePayHistory
WHERE rate < @avg_rate
GO
Exercise 2
Create a function that returns the shipment date of a particular order.
Solution
To solve the problem, you need to execute the following statement:
CREATE FUNCTION Sales.CalShipDate(@SalesOrderID int) RETURNS Datetime
AS
BEGIN
DECLARE @shipDate Datetime
SELECT @shipDate = ShipDate
FROM Sales.SalesOrderHeader WHERE SalesOrderID = @SalesOrderID
IF (@shipDate IS NULL)
SET @shipDate = 0
RETURN @shipDate
END
To execute the preceding function, write the following statement:
SELECT SalesOrderID, Sales.CalShipDate(SalesOrderID) AS ShippingDate
FROM Sales.SalesOrderHeader
Exercise 3
Create a function that returns the credit card number for a particular order.
¤NIIT Instructor Inputs 12.7
Solution
To solve the problem, you need to execute the following statement:
CREATE FUNCTION Sales.DisplayCardNumber(@SalesOrderID int) RETURNS
nvarchar(25)

AS
BEGIN
DECLARE @ret nvarchar(25)
SELECT @ret = CardNumber
FROM Sales.SalesOrderHeader s JOIN Sales.CreditCard c
ON s.CreditCardID = c.CreditCardID
WHERE SalesOrderID = @SalesOrderID
IF (@ret IS NULL)
SET @ret = 0
RETURN @ret
END
To execute the preceding function, write the following statement:
SELECT SalesOrderID, 'Credit Card Number' =
Sales.DisplayCardNumber(SalesOrderID) FROM Sales.SalesOrderHeader
Exercise 4
Create a function that returns a table containing the customer ID and the name of the
customers who are categorized as individual customers (CustomerType = 'I'). The name
of the customers will be based on the format of Shortname (only the last name) and
Longname (Full name).
Solution
To solve the problem, you need to execute the following statement:
CREATE FUNCTION Sales.IndividualDetails (@format nvarchar(9))
RETURNS @tbl_Individual Table
(CustomerID int Primary Key, Name nvarchar(100))
AS
BEGIN
If (@format = 'LONGNAME')
INSERT @tbl_Individual
SELECT Cu.CustomerID, FirstName +' '+ LastName
FROM Person.Contact AS C

12.8 Instructor Inputs ¤NIIT
JOIN Sales.Individual AS I
ON C.ContactID = I.ContactID
JOIN Sales.Customer AS Cu
ON I.CustomerID = Cu.CustomerID
WHERE Cu.CustomerType = 'I'
ORDER BY LastName, FirstName
ELSE IF (@format = 'SHORTNAME')
INSERT @tbl_Individual
SELECT Cu.CustomerID, LastName
FROM Person.Contact AS C
JOIN Sales.Individual AS I
ON C.ContactID = I.ContactID
JOIN Sales.Customer AS Cu
ON I.CustomerID = Cu.CustomerID
WHERE Cu.CustomerType = 'I'
ORDER BY LastName
RETURN
END
To execute the preceding function, write the following statements:
SELECT * FROM Sales.IndividualDetails('LONGNAME')
SELECT * FROM Sales.IndividualDetails('SHORTNAME')
¤NIIT Instructor Inputs 12.9
This session includes solutions to additional exercises of Chapter 6.
Exercise 8
The manager of the production department wants to analyze the products, which contain
the exact word 'road' in their description. Write the query so that the result set does not
take a long time to execute.
Solution
The ProductDescription table contains the large amount of data. To retrieve the result set

very fast, you need to create a full-text index on the table. To solve the problem, you need
to execute the following statements:
CREATE FULLTEXT INDEX ON Production.ProductDescription(Description)
KEY INDEX AK_ProductDescription_rowguid
Select * from Production.ProductDescription Where Contains
(Description, 'road')
Exercise 9
You need to create a report displaying the details of all the products, which contain the
word 'top' near the word 'line' in their description. Write the query to retrieve the desired
output. Write the query such that it does not take a long time to execute.
Solution
The ProductDescription table contains the full-text index. To retrieve the result set very
fast, you need to execute the following statement:
SELECT Description, ProductDescriptionID
FROM Production.ProductDescription
WHERE CONTAINS (Description, ' "top" near "line"' )
Solutions to Additional Exercises
12.10 Instructor Inputs ¤NIIT
Exercise 10
Display the details of all the stores having the word 'bike' in their name. In addition, the
report should contain the details of those stores that have the sales person ID as 277. You
need to write the query so that the result set does not take a long time to be retrieved.
Solution
To solve the problem, you need to execute the following statement:
Select * from Sales.Store Where SalesPersonID = 277 and Contains
(Name, 'Bike')