Microsoft MCSA 070-457

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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. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table. You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. On which column in the Employee table should you use an identity specification to include a seed of 1,000 and an increment of 1?

A) MiddleName
B) JobTitle
C) ReportsToID
D) DateHired
E) EmployeeNum
F) DepartmentID
G) EmployeeID
H) FirstName
I) LastName

2. You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented. You need to reduce fragmentation. You need to achieve this goal without taking the index offline. Which Transact-SQL batch should you use?

A) ALTER INDEX ALL ON OrderDetail REBUILD
B) ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD
C) ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE
D) CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING

3. You administer a Microsoft SQL Server 2012 server. The MSSQLSERVER service uses a domain account named CONTOSO\SQLService. You plan to configure Instant File Initialization. You need to ensure that Data File Autogrow operations use Instant File Initialization. What should you do? Choose all that apply.

A) Restart the SQL Server Agent Service.
B) Enable snapshot isolation.
C) Add the CONTOSO\SQLService account to the Server Operators fixed server role.
D) Add the CONTOSO\SQLService account to the Perform Volume Maintenance Tasks local security policy.
E) Restart the SQL Server Service.
F) Disable snapshot isolation.

4. You administer a Microsoft SQL Server database. You want to import data from a text file to the database.
You need to ensure that the following requirements are met: Data import is performed by using a stored procedure. Data is loaded as a unit and is minimally logged.
Which data import command and recovery model should you choose? (To answer, drag the appropriate data import command or recovery model to the appropriate location or locations in the answer area. Each data import command or recovery model may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Select and Place:

5. You generate a daily report according to the following query:

You need to improve the performance of the query. What should you do?

A) Rewrite the report query as follows:
SELECT c.CustomerName
FROM Sales.Customer c
WHERE NOT EXISTS (SELECT OrderDate FROM Sales.ufnGetRecentOrders(c.
CustomerID, 90))
Rewrite the UDF as follows:
CREATE FUNCTION Sales.ufnGetRecentOrders(@CustomerID int, @MaxAge datetime)
RETURNS TABLE AS RETURN (
SELECT OrderDate
FROM Sales.SalesOrder
WHERE s.CustomerID = @CustomerID
AND s.OrderDate > DATEADD(DAY, -@MaxAge, GETDATE())
B) Drop the UDF and rewrite the report query as follows:
SELECT c.CustomerName
FROM Sales.Customer c
WHERE NOT EXISTS (
SELECT s.OrderDate
FROM Sales.SalesOrder
WHERE s.OrderDate > DATEADD(DAY, -90, GETDATE())
AND s.CustomerID = c.CustomerID)
C) Drop the UDF and rewrite the report query as follows:
WITH cte(CustomerID, LastOrderDate) AS ( SELECT CustomerID, MAX(OrderDate) AS [LastOrderDate] FROM Sales.SalesOrder GROUP BY CustomerID
)
SELECT c.CustomerName
FROM cte
INNER JOIN Sales.Customer c
ON cte.CustomerID = c.CustomerID
WHERE cte.LastOrderDate < DATEADD(DAY, -90, GETDATE())
D) Drop the UDF and rewrite the report query as follows:
SELECT DISTINCT c.CustomerName
FROM Sales.Customer c
INNER JOIN Sales.SalesOrder s
ON c.CustomerID = s.CustomerID
WHERE s.OrderDate < DATEADD(DAY, -90, GETDATE())

Solutions:

Question # 1 Answer: G

Question # 2 Answer: C

Question # 3 Answer: D,E

Question # 4 Answer: Only visible for members

Question # 5 Answer: C