Monday, April 17, 2017

Update Querying Microsoft SQL Server 2012 70-461 practice questions

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Share some MCSA 70-461 exam questions and answers below.
You develop a Microsoft SQL Server 2012 database. The database is used by two web applications that access a table named Products.You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data.You need to ensure that the following requirements are met: 
Future modifications to the table definition will not affect the applications' ability to access data. 
The new object can accommodate data retrieval and data modification. 
You need to achieve this goal by using the minimum amount of changes to the existing applications. What should you create for each application? 
A. views 
B. table partitions 
C. table-valued functions 
D. stored procedures 
Answer: A

You create a stored procedure that will update multiple tables within a transaction.You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back.Which Transact-SQL statement should you include at the beginning of the stored procedure? 
A. SET XACT_ABORT ON 
B. SET ARITHABORT ON 
C. TRY 
D. BEGIN 
E. SET ARITHABORT OFF 
F. SET XACT_ABORT OFF 
Answer: A

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

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