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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 generate a daily report according to the following query:

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

A) 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())
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) 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())
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())

2. You administer a Microsoft SQL Server 2012 database. The database contains a customer table created by using the following definition:

You need to ensure that the minimum amount of disk space is used to store the data in the customer table. What should you do?

A) Implement page-level compression.
B) Implement Unicode compression.
C) Implement row-level compression.
D) Convert all indexes to Column Store indexes.

3. You administer a Microsoft SQL Server 2012 server that has SQL Server Integration Services (SSIS) installed. You plan to deploy new SSIS packages to the server. The SSIS packages use the Project Deployment Model together with parameters and Integration Services environment variables. You need to configure the SQL Server environment to support these packages. What should you do?

A) Install Master Data services.
B) Create SSIS configuration files for the packages.
C) Install Data Quality Services.
D) Create an Integration Services catalog.

4. 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.

5. You administer a SQL Server 2012 server that contains a database named SalesDb. SalesDb contains a schema named Customers that has a table named Regions. A user named UserA is a member of a role named Sales. UserA is granted the Select permission on the Regions table. The Sales role is granted the Select permission on the Customers schema. You need to ensure that the Sales role, including UserA, is disallowed to select from any of the tables in the Customers schema. Which Transact-SQL statement should you use?

A) REVOKE SELECT ON Object::Regions FROM Sales
B) REVOKE SELECT ON Schema::Customers FROM UserA
C) EXEC sp_droprolemember 'Sales', 'UserA'
D) REVOKE SELECT ON Object::Regions FROM UserA
E) EXEC sp_addrolemember 'Sales', 'UserA'
F) DENY SELECT ON Object::Regions FROM UserA
G) DENY SELECT ON Schema::Customers FROM UserA
H) REVOKE SELECT ON Schema::Customers FROM Sales
I) DENY SELECT ON Schema::Customers FROM Sales
J) DENY SELECT ON Object::Regions FROM Sales

Solutions: