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Q41. DRAG DROP
You develop a database application for a university. You need to create a view that will be indexed that meets the following requirements:
. Displays the details of only students from Canada.
. Allows insertion of details of only students from Canada.
Which four Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.)
Answer:
Q42. Your database contains tables named Products and ProductsPriceLog. The Products table contains columns named ProductCode and Price. The ProductsPriceLog table contains columns named ProductCode, OldPrice, and NewPrice.
The ProductsPriceLog table stores the previous price in the OldPrice column and the new price in the NewPrice column.
You need to increase the values in the Price column of all products in the Products table by 5 percent. You also need to log the changes to the ProductsPriceLog table.
Which Transact-SQL query should you use?
A. UPDATE Products SET Price = Price * 1.05
OUTPUT inserted.ProductCode, deleted.Price, inserted.Price
INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice)
B. UPDATE Products SET Price = Price * 1.05
OUTPUT inserted.ProductCode, inserted.Price, deleted.Price
INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice)
C. UPDATE Products SET Price = Price * 1.05
OUTPUT inserted.ProductCode, deleted.Price, inserted.Price *
INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice)
D. UPDATE Products SET Price = Price * 1.05
INSERT INTO ProductsPriceLog (ProductCode, CldPnce, NewPrice;
SELECT ProductCode, Price, Price * 1.05 FROM Products
Answer: A
Q43. Your application contains a stored procedure for each country. Each stored procedure accepts an employee identification number through the @EmpID parameter.
You plan to build a single process for each employee that will execute the stored procedure based on the country of residence.
Which approach should you use?
A. A recursive stored procedure
B. Trigger
C. An UPDATE statement that includes CASE
D. Cursor
E. The foreach SQLCLR statement
Answer: D
Q44. You develop a Microsoft SQL Server 2012 database.
You need to create and call a stored procedure that meets the following requirements:
. Accepts a single input parameter for CustomerID.
. Returns a single integer to the calling application.
Which Transact-SQL statement or statements should you use? (Each correct answer presents part of the solution. Choose all that apply.)
A. CREATE PROCEDURE dbo.GetCustomerRating @Customer INT, @CustomerRatIng INT OUTPUT AS SET NOCOUNT ON SELECT @CustomerRating = CustomerOrders/CustomerValue FROM Customers WHERE CustomerID = @CustomerID RETURN GO
B. EXECUTE dbo.GetCustomerRatIng 1745
C. DECLARE @customerRatingBycustomer INT DECLARE @Result INT EXECUTE @Result = dbo.GetCustomerRating
, @CustomerRatingSyCustomer
D. CREATE PROCEDURE dbo.GetCustomerRating @CustomerID INT, @CustomerRating INT OUTPUT AS SET NOCOUNT ON SELECT @Result = CustomerOrders/CustomerValue FROM Customers WHERE CustomerID = @CustomeriD RETURN @Result GO
E. DECLARE @CustomerRatIngByCustcmer INT EXECUTE dbo.GetCustomerRating @CustomerID = 1745, @CustomerRating = @CustomerRatingByCustomer OUTPUT
F. CREATE PROCEDURE dbo.GetCustomerRating @CustomerID INT AS DECLARE @Result INT SET NOCOUNT ON SELECT @Result = CustomerOrders/CustomerVaLue FROM Customers WHERE Customer= = @CustomerID RETURNS @Result
Answer: A,E
Q45. You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)
You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.
Which Transact-SQL query should you use?
A. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers-CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW
B. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers=CustomerId = 1 FOR XML RAW, ELEMENTS
C. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
D. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId - Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS
E. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO
F. SELECT Name, Country, Orderld, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS
G. SELECT Name AS '@Name', Country AS '@Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH ('Customers')
H. SELECT Name AS 'Customers/Name', Country AS 'Customers/Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH ('Customers')
Answer: F
Q46. You develop a Microsoft SQL Server 2012 database that contains tables named Employee and Person.
The tables have the following definitions:
Users are able to use single INSERT statements or INSERT...SELECT statements into this view.
You need to ensure that users are able to use a single statement to insert records into both Employee and Person tables by using the VwEmployee view.
Which Transact-SQL statement should you use?
A. CREATE TRIGGER TrgVwEmployee ON VwEmployee FOR INSERT AS BEGIN INSERT INTO Person(Id, FirstName, LastName) SELECT Id, FirstName, LastName, FROM inserted INSERT INTO Employee(PersonId, EmployeeNumber) SELECT Id, EmployeeNumber FROM inserted END
B. CREATE TRIGGER TrgVwEmployee ON VwEmployee INSTEAD OF INSERT AS BEGIN INSERT INTO Person(Id, FirstName, LastName) SELECT Id, FirstName, LastName, FROM inserted INSERT INTO Employee(PersonId, EmployeeNumber) SELECT Id, EmployeeNumber FROM inserted END
C. CREATE TRIGGER TrgVwEmployee ON VwEmployee INSTEAD OF INSERT AS BEGIN DECLARE @ID INT, @FirstName NVARCHAR(25), @LastName NVARCHAR(25), @PersonID INT, @EmployeeNumber NVARCHAR(15) SELECT @ID = ID, @FirstName = FirstName, @LastName = LastName, @EmployeeNumber = EmployeeNumber FROM inserted INSERT INTO Person(Id, FirstName, LastName) VALUES(@ID, @FirstName, @LastName) INSERT INTO Employee(PersonID, EmployeeNumber) VALUES(@PersonID, @EmployeeNumber End
D. CREATE TRIGGER TrgVwEmployee ON VwEmployee INSTEAD OF INSERT AS BEGIN INSERT INTO Person(Id, FirstName, LastName) SELECT Id, FirstName, LastName FROM VwEmployee INSERT INTO Employee(PersonID, EmployeeNumber) SELECT Id, EmployeeNumber FROM VwEmployee End
Answer: B
Q47. You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.)
You write the following Transact-SQL query:
You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail.
You need to improve the performance of the query.
What should you do?
A. Use a FORCESCAN hint in the query.
B. Add a clustered index on SalesOrderId in SalesOrderHeader.
C. Use a FORCESEEK hint in the query.
D. Update statistics on SalesOrderId on both tables.
Answer: D
Explanation:
References: http://msdn.microsoft.com/en-us/library/ms187348.aspx
Q48. You develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal.
You write the following Transact-SQL query:
. INSERT INTO OrdersHistorical
. SELECT * FROM CompletedOrders
You need to optimize transaction logging and locking for the statement. Which table hint should you use?
A. HOLDLOCK
B. ROWLOCK
C. XLOCK
D. UPDLOCK
E. TABLOCK
Answer: E
Q49. You are developing a database that will contain price information. You need to store the prices that include a fixed precision and a scale of six digits. Which data type should you use?
A. Float
B. Money
C. Smallmoney
D. Numeric
Answer: D
Explanation:
Numeric is the only one in the list that can give a fixed precision and scale.
Reference: http://msdn.microsoft.com/en-us/library/ms179882.aspx
Q50. You are developing a database that will contain price information.
You need to store the prices that include a fixed precision and a scale of six digits.
Which data type should you use?
A. Real
B. Small money
C. Money
D. Decimal
Answer: D
