Which Transact-SQL statement should you use?

Posted by: Pdfprep Category: 70-461 Tags: , ,

You develop a Microsoft SQL Server 2012 server database that supports an application. The application contains a table that has the following definition:

CREATE TABLE Inventory

(ItemID int NOT NULL PRIMARY KEY,

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.

Which Transact-SQL statement should you use?
A . ALTER TABLE Inventory
ADD TotalItems AS ItemsInStore + ItemsInWarehouse

B . ALTER TABLE Inventory
ADD ItemsInStore – ItemsInWarehouse = TotalItemss
C . ALTER TABLE Inventory
ADD TotalItems = ItemsInStore + ItemsInWarehouse
D . ALTER TABLE Inventory
ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse);

Answer: A

Explanation:

Reference: http://technet.microsoft.com/en-us/library/ms190273.aspx

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