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READ Free Dumps For Microsoft- 70-461





Question ID 15030

You develop a Microsoft SQL Server 2012 database that contains a heap named
OrdersHistorical.
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 Reference: http://technet.microsoft.com/en-us/library/ms189857.aspx Reference: http://msdn.microsoft.com/en-us/library/ms187373.aspx


Question ID 15031

You administer a Microsoft SQL Server 2012 database that includes a table named
Products. The Products table has columns named ProductId, ProductName, and
CreatedDateTime.
The table contains a unique constraint on the combination of ProductName and
CreatedDateTime.
You need to modify the Products table to meet the following requirements:
✑ Remove all duplicates of the Products table based on the ProductName column.
✑ Retain only the newest Products row.
Which Transact-SQL query should you use?

Option A

WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON

Option B

 ProductName = cte.ProductName AND p.CreatedDateTime > cte.CreatedDateTime

Option C

WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON cte.ProductName = p.ProductName AND cte.CreatedDateTime > p.CreatedDateTime

Option D

WITH CTEDupRecords AS ( SELECT MIN(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName ) DELETE p FROM Products p JOIN CTEDupRecords cte ON

Option E

ProductName = cte.ProductName

Option F

 WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON

Correct Answer B
Explanation

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