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Microsoft 70-457 Exam Syllabus Topics:

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

Question 1

You are creating an application that will connect to the AgentPortal database by using a SQL login named AgentPortalUser. Stored procedures in the database will use sp_send_dbmail to send email messages. You create a user account in the msdb database for the AgentPortalUser login. You use the Database Mail Configuration Wizard to create a Database Mail profile. Security has not been configured for the Database Mail profile. You need to ensure that AgentPortalUser can send email messages. What should you do?

A. In the Database Mail Configuration Wizard, create an email account for each recipient's email address in the Database Mail profile.
B. Use the sysmail_help_profileaccount_sp stored procedure to add accounts to the Database Mail profile.
C. Disable the guest user in the msdb database.
D. In the Database Mail Configuration Wizard, configure the Database Mail profile as a private profile for the AgentPortalUser account.

Question 2

You develop a database for a travel application. You need to design tables and other database objects. You need to store media files in several tables. Each media file is less than 1 MB in size. The media files will require fast access and will be retrieved frequently. What should you do?

A. Use the TODATETIMEOFFSET function.
B. Use the FORMAT function.
C. Use a user-defined table type.
D. Use an appropriate collation.
E. Use the VARBINARY data type.
F. Use the DATE data type.
G. Use the CAST function.
H. Use the DATETIME2 data type.
I. Use the DATETIME data type.
J. Use the DATETIMEOFFSET data type.

Question 3

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

You need to create an audit record only when either the MobileNumber or HomeNumber column is updated. Which Transact-SQL query should you use?

A. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_CHANGED (HomeNumber, MobileNumber)
- - Create Audit Records
B. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF UPDATE (HomeNumber) OR UPDATE (MobileNumber)
- - Create Audit Records
C. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_UPDATED (HomeNumber, MobileNumber)
- - Create Audit Records
D. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF EXISTS( SELECT HomeNumber FROM inserted) OR EXISTS (SELECT MobileNumber FROM inserted)
- - Create Audit Records

Question 4

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:
<row OrderId="1" OrderDate="2000-01-01T00:00:00" Amount="3400.00"
Name="Customer A" Country="Australia" />
<row OrderId="2" OrderDate="2001-01-01T00:00:00" Amount="4300.00"
Name="Customer A" Country="Australia" />
Which Transact-SQL query should you use?

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

Question 5

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. Update statistics on SalesOrderId on both tables.
B. Add a clustered index on SalesOrderId in SalesOrderHeader.
C. Use a FORCESCAN hint in the query.
D. Use a FORCESEEK hint in the query.

Solutions: