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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:

1. You administer a Microsoft SQL Server 2012 database that has Trustworthy set to On. You create a stored procedure that returns database-level information from Dynamic Management Views. You grant User1 access to execute the stored procedure. You need to ensure that the stored procedure returns the required information when User1 executes the stored procedure. You need to achieve this goal by granting the minimum permissions required. What should you do? (Each correct answer presents a complete solution. Choose all that apply.)

A) Grant the db_owner role on the database to User1.
B) Grant the sysadmin role on the database to User1.
C) Modify the stored procedure to include the EXECUTE AS OWNER statement. Grant VIEW SERVER STATE permissions to the owner of the stored procedure.
D) Create a SQL Server login that has VIEW SERVER STATE permissions. Modify the stored procedure to include the EXECUTE AS {newlogin} statement.
E) Create a SQL Server login that has VIEW SERVER STATE permissions. Create an application role and a secured password for the role.

2. You develop a database for a travel application. You need to design tables and other database objects. You create the Airline_Schedules table. You need to store the departure and arrival dates and times of flights along with time zone information. What should you do?

A) Include a SET STATISTICS PROFILE ON statement before you run the query.
B) Add a FORCESEEK hint to the query.
C) Add a HASH hint to the query.
D) Include a SET FORCEPLAN ON statement before you run the query.
E) Cover the unique clustered index with a columnstore index.
F) Add an INCLUDE clause to the index.
G) Enable the Optimize for ad hoc workloads option.
H) Add a FORCESCAN hint to the Attach query.
I) Add a columnstore index to cover the query.
J) Add a LOOP hint to the query.

3. You administer a Microsoft SQL Server 2012 Enterprise Edition server that uses 64 cores. You discover performance issues when large amounts of data are written to tables under heavy system load. You need to limit the number of cores that handle I/O. What should you configure?

A) Lightweight pooling
B) Processor affinity
C) Max worker threads
D) I/O affinity

4. You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. Your investigation shows the root cause is a query against a read-only table that has a clustered index. The query returns the following six columns: * One column in its WHERE clause contained in a non-clustered index * Four additional columns * One COUNT (*) column based on a grouping of the four additional columns.
You need to optimize the statement. What should you do?

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

5. 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 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')
B) 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')
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 Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
E) SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW
F) SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
G) SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
H) SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO

Solutions: