70-461 VCE

Microsoft Querying Microsoft SQL Server 2012 70-461
Exam Number/Code : 70-461
Exam Name : Querying Microsoft SQL Server 2012
One year free update
Once failed,100% refund
Questions and Answers : 88Q&As
Update Time : 2012-8-14
Price : $99.00

Exam 70-461 : Querying Microsoft SQL Server 2012
Troubleshoot & Optimize (25%)
•Optimize queries.
◦May include but not limited to: understand statistics; read query plans; plan guides; DMVs; hints; statistics IO; dynamic vs. parameterized queries; describe the different join types (HASH, MERGE, LOOP) and describe the scenarios they would be used
•Manage transactions.
◦May include but not limited to: mark a transaction; understand begin tran, commit, and rollback; implicit vs explicit transactions; isolation levels; scope and type of locks; trancount
•Evaluate the use of row-based operations vs. set-based operations.  
◦May include but not limited to: when to use cursors; impact of scalar UDFs; combine multiple DML operations
•Implement error handling.
◦May include but not limited to: implement try/catch/throw; use set based rather than row based logic; transaction management
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Exam 70-461: Querying Microsoft SQL Server 2012
Credit Toward Certification
Exam 70-461: Querying Microsoft SQL Server 2012: counts as credit toward the following certification(s):
MCSA: SQL Server 2012
MCSE: Data Platform
MCSE: Business Intelligence

Free 70-461 pdf Demo Download
You develop a Microsoft SQL Server 2012 server database that supports an application. The
application contains a table that has the following definition:  
ItemsInStore int NOT NULL,  
ItemsInWarehouse int NOT NULL)
You need to create a computed column that returns the sum total of the ItemsInStore and
ItemsInWarehouse values for each row.  
The new column is expected to be queried heavily, and you need to be able to index the column.
Which Transact -SQL statement should you use? 
A. ALTER TABLE Inventory
All TotalItems AS Item3lnStore + ItemsInWarehouse
B. ALTER TABLE Inventory
ADD TotalItems AS ItemsInStore + ItemsInWarehouse PERSISTED
C. ALTER TABLE Inventory
ADD TotalItems AS SUM (ItemsInStore, ItemsInWarehouse) PERSISTED 
D. ALTER TABLE Inventory
All TotalItems AS SUM (ItemsInStore, ItemsInWarehouse)
Answer: C 

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