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READ Free Dumps For Microsoft- 70-462





Question ID 18881

You develop a Microsoft SQL Server 2012 database that contains a heap named
OrdersHistoncal.
You write the following Transact-SQL query:
INSERT INTO OrdersHistorical
SELECT * FROM CompletedOrders
You need to optimize transaction logging and locking for the statement. Which table hint
should you use?

Option A

HOLDLOCK

Option B

 ROWLOCK

Option C

 XLOCK

Option D

 UPDLOCK

Option E

 TABLOCK

Correct Answer E
Explanation Explanation: Explanation/Reference: http://technet.microsoft.com/en-us/library/ms189857.aspx http://msdn.microsoft.com/en-us/library/ms187373.aspx


Question ID 18882

You use Microsoft SQL Server 2012 to develop a database application. You create a
stored procedure named dbo.ModifyData that can modify rows.
You need to ensure that when the transaction fails, dbo.ModifyData meets the following
requirements:
✑ Does not return an error
✑ Closes all opened transactions
Which Transact-SQL statement should you use?

Option A

BEGIN TRANSACTION BEGIN TRY EXEC dbo.ModifyData COMMIT TRANSACTION END TRY BEGIN CATCH IF @@ TRANCOUNT = 0 ROLLBACK TRANSACTION; END CATCH

Option B

 BEGIN TRANSACTION BEGIN TRY EXEC dbo.ModifyData COMMIT TRANSACTION END TRY BEGIN CATCH IF @@ERROR != 0 ROLLBACK TRANSACTION; THROW; END CATCH

Option C

 BEGIN TRANSACTION BEGIN TRY EXEC dbo.ModifyData COMMIT TRANSACTION END TRY BEGIN CATCH IF @@TRANCOUNT = 0 ROLLBACK TRANSACTION; THROW; END CATCH

Option D

BEGIN TRANSACTION BEGIN TRY EXEC dbo.ModifyData COMMIT TRANSACTION END TRY BEGIN CATCH IF @@ERROR != 0 ROLLBACK TRANSACTION; END CATCH

Correct Answer D
Explanation

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