Microsoft 70-457 : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1

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

Question 1

You use Microsoft SQL Server 2012 to create a stored procedure as shown in the following code segment. (Line numbers are included for reference only.)

The procedure can be called within other transactions. You need to ensure that when the DELETE statement from the HumanResourcesJobCandidate table succeeds, the modification is retained even if the insert into the Audit.Log table fails. Which code segment should you add to line 14?

A. IF (XACT_STATE ( ) ) = 1
B. IF @@TRANCOUNT = 1
C. IF @@TRANCOUNT = 0
D. IF (XACT_STATE ( ) ) = 0

Question 2

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

Question 3

You have a Microsoft SQL Server 2012 database that contains tables named Customers and Orders. The tables are related by a column named CustomerID. You need to create a query that meets the following requirements:
Returns the CustomerName for all customers and the OrderDate for any orders that they have placed.
Results must include customers who have not placed any orders.
Which Transact-SQL query should you use?

A. SELECT CustomerName, OrderDate FROM Customers CROSS JOIN Orders ON Customers.CustomerID = Orders.CustomerID
B. SELECT CustomerName, OrderDate FROM Customers LEFT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerID
C. SELECT CustomerName, CrderDate FROM Customers JOIN Orders ON Customers.CustomerID = Orders.CustomerID
D. SELECT CustomerName, OrderDate FROM Customers RIGHT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerID

Question 4

You administer a Microsoft SQL Server 2012 database named ContosoDb. The database contains a table named Suppliers and a column named IsActive in the Purchases schema. You create a new user named ContosoUser in ContosoDb. ContosoUser has no permissions to the Suppliers table. You need to ensure that ContosoUser can delete rows that are not active from Suppliers. You also need to grant ContosoUser only the minimum required permissions. Which Transact-SQL statement should you use?

A. GRANT DELETE ON Purchases.Suppliers TO ContosoUser
B. GRANT SELECT ON Purchases.Suppliers TO ContosoUser
C. CREATE PROCEDURE Purchases.PurgeInactiveSuppliers WITH EXECUTE AS USER = 'dbo' AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0 GO GRANT EXECUTE ON Purchases.PurgelnactiveSuppliers TO ContosoUser
D. CREATE PROCEDURE Purchases.PurgeInactiveSuppliers AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0
GO
GRANT EXECUTE ON Purchases.PurgeInactiveSuppliers TO ContosoUser

Question 5

You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that a large amount of memory is consumed by single-use dynamic queries. You need to reduce procedure cache usage from these statements without creating any additional indexes. What should you do?

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

Solutions: