QUESTION 31

You are developing a database that will contain price information. You need to store the prices that include a fixed precision and a scale of six digits. Which data type should you use?

 

A.

Float

B.

Money

C.

Smallmoney

D.

Numeric

 

Correct Answer: D

Explanation:

Numeric is the only one in the list that can give a fixed precision and scale.

http://msdn.microsoft.com/en-us/library/ms179882.aspx

 

 

QUESTION 32

You administer a Microsoft SQL Server database that supports a banking transaction management application. You need to retrieve a list of account holders who live in cities that do not have a branch location. Which Transact-SQL query or queries should you use? (Each correct answer presents a complete solution. Choose all that apply.)

 

A.

SELECT AccountHolderID FROM AccountHolder WHERE CityID NOT IN (SELECT CityID FROM BranchMaster)

B.

SELECT AccountHolderID FROM AccountHolder WHERE CityID <> ALL (SELECT CityID FROM BranchMaster)

C.

SELECT AccountHolderlD FROM AccountHolder WHERE CityID <> SOME (SELECT CityID FROM BranchMaster)

D.

SELECT AccountHolderID FROM AccountHolder WHERE CityID <> ANY (SELECT CityID FROM BranchMaster)

 

Correct Answer: AB

Explanation:

http://msdn.microsoft.com/en-us/library/ms188047.aspx

http://msdn.microsoft.com/en-us/library/ms177682.aspx

http://msdn.microsoft.com/en-us/library/ms173545.aspx

 

 

 

 

 

 

 

 

 

 

 

 

 

QUESTION 33

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

 

clip_image002

 

clip_image004

 

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee
table. You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. On which column in the Employee table should you create a unique constraint?

 

A.

DateHired

B.

DepartmentID

C.

EmployeelD

D.

EmployeeNum

E.

FirstName

F.

JobTitle

G.

LastName

H.

MiddleName

I.

ReportsToID

 

Correct Answer: D

 

 

QUESTION 34

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

 

clip_image006

 

 

clip_image008

 

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table.

You need to assign the appropriate constraints and ta
ble properties to ensure data integrity and visibility. On which column in the Employee table should you use an identity specification to include a seed of 1,000 and an increment of 1?

 

A.

DateHired

B.

DepartmentID

C.

EmployeeID

D.

EmployeeNum

E.

FirstName

F.

JobTitle

G.

LastName

H.

MiddleName

I.

ReportsToID

 

Correct Answer: C

 

 

 

 

 

 

 

 

QUESTION 35

You administer a Microsoft SQL Server 2012 database that includes a table named Products. The Products table has columns named Productld, 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?

 

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

p.ProductName = cte.ProductName

AND p.CreatedDateTime > cte.CreatedDateTime

B.

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

C.

WITH CTEDupRecords

AS

(

  SELECT MIN(CreatedDateTime) AS CreatedDateTime, ProductName

  FROM Products

  GROUP BY ProductName

)

DELETE p

FROM Products p

JOIN CTEDupRecords cte ON

p.ProductName = cte.ProductName

D.

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

p.ProductName = cte.ProductName

 

Correct Answer: B

 

 

QUESTION 36

You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and Database3. You have permissions on both Database1 and Database2. You plan to write and deploy a stored procedure named dbo.usp_InsertEvent in Database3. dbo.usp_InsertEvent must execute other stored procedures in the other databases. You need to ensure that callers that do not have permissions on Database1 or Database2 can execute the stored procedure. Which Transact-SQL statement should you use?

 

A.

USE Database2

B.

EXECUTE AS OWNER

C.

USE Database1

D.

EXECUTE AS CALLER

 

Correct Answer: B

Explanation:

http://msdn.microsoft.com/en-us/library/ms188354.aspx

http://blog.sqlauthority.com/2007/10/0 6/sql-server-executing-remote-stored-procedure-calling-

stored-procedure-on-linked-server/

 

 

QUESTION 37

You administer a Microsoft SQL Server 2012 database that has multiple tables in the Sales schema. Some users must be prevented from deleting records in any of the tables in the Sales schema. You need to manage users who are prevented from deleting records in the Sales schema. You need to achieve this goal by using the minimum amount of administrative effort. What should you do?

 

A.

Create a custom database role that includes the users. Deny Delete permissions on the Sales schema

for the custom database role.

B.

< /td>

Include the Sales schema as an owned schema for the db_denydatawriter role. Add the users to the

db_denydatawriter role.

C.

Deny Delete permissions on each table in the Sales schema for each user.

D.

Create a custom database role that includes the users. Deny Delete permissions on each table in the

Sales schema for the custom database role.

 

Correct Answer: A

 

 

 

 

 

 

 

 

 

QUESTION 38

You administer a Microsoft SQL Server 2012 database. The database contains a Product table created by using the following definition:

 

clip_image010

 

You need to ensure that the minimum amount of disk space is used to store the data in the Product table. What should you do?

 

A.

Convert all indexes to Column Store indexes.

B.

Implement Unicode Compression.

C.

Implement row-level compression.

D.

Implement page-level compression.

 

Correct Answer: D

Explanation:

http://msdn.microsoft.com/en-us/library/cc280449.aspx

http://msdn.microsoft.com/en-us/library/cc280464.aspx

http://msdn.microsoft.com/en-us/library/cc280576.aspx

http://msdn.microsoft.com/en-us/library/ee240835.aspx

 

 

QUESTION 39

You generate a daily report according to the following query:

 

clip_image011

You need to improve the performance of the query. What should you do?

 

A.

Drop the UDF and rewrite the report query as follows:

WITH cte(CustomerID, LastOrderDate) AS (

  SELECT CustomerID, MAX(OrderDate) AS [LastOrderDate]

  FROM Sales.SalesOrder

  GROUP BY CustomerID

)

SELECT c.CustomerName

FROM cte

INNER JOIN Sales.Customer c

ON cte.CustomerID = c.CustomerID

WHERE cte.LastOrderDate < DATEADD(DAY, -90, GETDATE())

B.

Drop the UDF and rewrite the report query as follows:

SELECT c.CustomerName

FROM Sales.Customer c

WHERE NOT EXISTS (

  SELECT s.OrderDate

  FROM Sales.SalesOrder

  WHERE s.OrderDate > DATEADD(DAY, -90, GETDATE())

   AND s.CustomerID = c.CustomerID)

C.

Drop the UDF and rewrite the report query as follows:

SELECT DISTINCT c.CustomerName

FROM Sales.Customer c

INNER JOIN Sales.SalesOrder s

ON c.CustomerID = s.CustomerID

WHERE s.OrderDate < DATEADD(DAY, -90, GETDATE())

D.

Rewrite the report query as follows:

SELECT c.CustomerName

FROM Sales.Customer c

WHERE NOT EXISTS (SELECT OrderDate FROM Sales.ufnGetRecentOrders(c.CustomerID, 90))

Rewrite the UDF as follows:

CREATE FUNCTION Sales.ufnGetRecentOrders(@CustomerID int, @MaxAge datetime)

RETURNS TABLE AS RETURN (

  SELECT OrderDate

  FROM Sales.SalesOrder

  WHERE s.CustomerID = @CustomerID

   AND s.OrderDate > DATEADD(DAY, -@MaxAge, GETDATE())

 

Correct Answer: A

 

 

QUESTION 40

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

 

clip_image013

 

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format:

 

<row OrderId=”1″

OrderDate=”2000-01-01T00:00 :00″ Amount=”3400.00″ Name=”Customer A”

Country=”Australia” /><row OrderId=”2″

OrderDate=”2001-01-01T00:00 :00″ Amount=”4300.00″ Name=”Customer A”

Country=”Australia” />

 

Which Transact-SQL query should you use?

 

A.

SELECT OrderId, OrderDate, Amount, Name, Country

FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId

WHERE Customers.CustomerId = 1

FOR XML RAW

B.

SELECT OrderId, OrderDate, Amount, Name, Country

FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId

WHERE Customers.CustomerId = 1

FOR XML RAW, ELEMENTS

C.

SELECT OrderId, OrderDate, Amount, Name, Country

FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId

WHERE Customers.CustomerId = 1

FOR XML AUTO

D.

SELECT OrderId, OrderDate, Amount, Name, Country

FROM Orders INNER JOIN Customers ON Orders.CustomerId – Customers.CustomerId

WHERE Customers.CustomerId= 1

FOR XML AUTO, ELEMENTS

E.

SELECT Name, Country, OrderId, OrderDate, Amount

FROM Orders INNER JOIN Customers ON Orders.CustomerId=Customers.CustomerId

WHERE Customers.CustomerId- 1

FOR XML AUTO

F.

SELECT Name, Country, Orderld, OrderDate, Amount

FROM Orders INNER JOIN Customers ON Orders.CustomerId=Customers.CustomerId

WHERE Customers.CustomerId= 1

FOR XML AUTO, ELEMENTS

G.

SELECT Name AS ‘@Name’, Country AS ‘@Country’, OrderId, OrderDate, Amount

FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId

WHERE Customers.CustomerId= 1

FOR XML PATH (‘Customers’)

H.

SELECT Name AS ‘Customers/Name’, Country AS ‘Customers/Country’, OrderId,OrderDate, Amount

FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId

WHERE Customers.CustomerId= 1

FOR XML PATH (‘Customers’)

 

Correct Answer: A

Explanation:

http://msdn.microsoft.com/en-us/library/bb510464.aspx

 

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