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Microsoft 070-457 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

Question 1

You are a database developer of a Microsoft SQL Server 2012 database. The database contains a table named Customers that has the following definition:

You need to ensure that the CustomerId column in the Orders table contains only values that exist in the CustomerId column of the Customer table. Which Transact-SQL statement should you use?

A. ALTER TABLE Orders ADD CONSTRAINT FK_Orders_CustomerID FOREIGN KEY (CustomerID) REFERENCES Customer (CustomerID)
B. ALTER TABLE Orders ADD CONSTRAINT PK_Orders_CustomerID PRIMARY KEY (CustomerID)
C. ALTER TABLE Orders ADD CONSTRAINT CK_Orders_CustomerID CHECK (CustomerID IN (SELECT CustomerId FROM Customer))
D. ALTER TABLE Customer ADD OrderID INT NOT NULL;
ALTER TABLE Customer ADD CONSTRAINT FK_Customer_OrderID FOREIGN KEY (OrderID) REFERENCES Orders (OrderID);
E. ALTER TABLE Customer ADD CONSTRAINT FK_Customer_CustomerID FOREIGN KEY (CustomerID) REFERENCES
Orders (CustomerID)

Question 2

You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that during reads, the transaction experiences blocking from concurrent updates. You need to ensure that throughout the transaction the data maintains the original version. What should you do?

A. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
B. Enable the optimize for ad hoc workloads option.
C. Add a HASH hint to the query.
D. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
E. Add a FORCESEEK hint to the query.
F. Add an INCLUDE clause to the index.
G. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
H. Add a columnstore index to cover the query.
I. Include a SET STATISTICS PROFILE ON statement before you run the query.
J. Add a FORCESCAN hint to the Attach query.
K. Add a LOOP hint to the query.
L. Cover the unique clustered index with a columnstore index.
M. Include a SET FORCEPLAN ON statement before you run the query.
N. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.

Question 3

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 CustomerIdvalue set to 1 in the following XML format.

Which Transact-SQL query should you use?

A. 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')
B. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
C. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers=CustomerId = 1 FOR XML RAW, ELEMENTS
D. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW
E. 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')
F. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
G. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
H. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS

Question 4

You administer a Microsoft SQL Server 2012 environment that contains a production SQL Server 2005 instance named SQL2005 and a development SQL Server 2012 instance named SQL2012. The development team develops a new application that uses the SQL Server 2012 functionality. You are planning to migrate a database from SQL2005 to SQL2012 so that the development team can test their new application. You need to migrate the database without affecting the production environment. Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:

Question 5

You administer two instances of Microsoft SQL Server 2012. You deploy an application that uses a database on the named instance. The application is unable to connect to the database on the named instance. You need to ensure that the application can connect to the named instance. What should you do?

A. Start the SQL Server Integration Services Service.
B. Use the Data Quality Client to configure the application.
C. Start the SQL Server Browser Service.
D. Use the Master Data Services Configuration Manager to configure the application.

Solutions: