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

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

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

3. You administer a Microsoft SQL Server 2012 database. You create an availability group named haContosoDbs. Your primary replica is available at Server01\Contoso01. You need to configure the availability group to have the highest availability. You also need to ensure that no data is lost. Which Transact-SQL statement should you use?

A) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)
B) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)
C) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)
D) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01'
WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)

4. You are a database administrator of a Microsoft SQL Server 2012 environment. The environment contains two servers named SQLServer01 and SQLServer02. The database Contoso exists on SQLServer01. You plan to mirror the Contoso database between SQLServer01 and SQLServer02 by using database mirroring. You need to prepare the Contoso database for database mirroring. 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:

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

Solutions: