2016/10 New Microsoft 70-461: Querying Microsoft SQL Server 2012/2014 Exam Questions Updated Today!
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QUESTION 77
You use Microsoft SQL Server 2012 to develop a database application.
You need to implement a computed column that references a lookup table by using an INNER JOIN against another table.
What should you do?
A. Reference a user-defined function within the computed column.
B. Create a BEFORE trigger that maintains the state of the computed column.
C. Add a default constraint to the computed column that implements hard-coded values.
D. Add a default constraint to the computed column that implements hard-coded CASE
statements.
Answer: A
QUESTION 78
You are a database developer for an application hosted on a Microsoft SQL Server 2012 server. The database contains two tables that have the following definitions:
Global customers place orders from several countries.
You need to view the country from which each customer has placed the most orders.
Which Transact-SQL query do you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 79
You use Microsoft SQL Server 2012 to develop a database application.
You need to create an object that meets the following requirements:
– Takes an input variable
– Returns a table of values Cannot be referenced within a view
Which object should you use?
A. Scalar-valued function
B. Inline function
C. User-defined data type
D. Stored procedure
Answer: D
QUESTION 80
You administer a Microsoft SQL Server 2012 database named ContosoDb.
The database contains a table named Suppliers and a column named IsActive in the Purchases schema.
You create a new user named ContosoUser in ContosoDb.
ContosoUser has no permissions to the Suppliers table.
You need to ensure that ContosoUser can delete rows that are not active from Suppliers.
You also need to grant ContosoUser only the minimum required permissions.
Which Transact-SQL statement should you use?
A. GRANT DELETE ON
Purchases.Suppliers TO ContosoUser
B. CREATE PROCEDURE
Purchases.PurgeInactiveSu ppliers
WITH EXECUTE AS USER = ‘dbo’
AS
DELETE FROM Purchases.Suppliers
WHERE IsActive = 0
GO GRANT EXECUTE ON
Purchases.PurgelnactiveSu ppliers TO ContosoUser
C. GRANT SELECT ON
Purchases.Suppliers TO ContosoUser
D. CREATE PROCEDURE
Purchases.PurgeInactiveSu ppliers
AS
DELETE FROM Purchases.Suppliers
WHERE IsActive = 0
GO
GRANT EXECUTE ON
Purchases.PurgeInactiveSu ppliers TO ContosoUser
Answer: D
Explanation:
Incorrect syntax near the keyword ‘USER’ in option B.
http://msdn.microsoft.com/en-us/library/ms188354.aspx
http://msdn.microsoft.com/en-us/library/ms187926.aspx
QUESTION 81
You use a contained database named ContosoDb within a domain.
You need to create a user who can log on to the ContosoDb database.
You also need to ensure that you can port the database to different database servers within the domain without additional user account configurations.
Which type of user should you create?
A. User mapped to a certificate
B. SQL user without login
C. Domain user
D. SQL user with login
Answer: C
Explanation:
Http://msdn.microsoft.com/en-us/library/ff929071.aspx
QUESTION 82
You administer a Microsoft SQL Server 2012 server.
You plan to deploy new features to an application.
You need to evaluate existing and potential clustered and non-clustered indexes that will improve performance.
What should you do?
A. Query the sys.dm_db_index_usage_stats DMV.
B. Query the sys.dm_db_missing_index_details DMV.
C. Use the Database Engine Tuning Advisor.
D. Query the sys.dm_db_missing_index_columns DMV.
Answer: C
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