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Vendor: Microsoft
Exam Code: 70-461
Exam Name: Querying Microsoft SQL Server 2012

1102

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

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)

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.)

wps7A70.tmp_thumb

wps8CB9.tmp_thumb

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 a create a unique constraint?

A.    DateHired
B.    DepartmentID
C.    EmployeelD
D.    EmployeeNum
E.    FirstName
F.    JobTitle
G.    LastName
H.    MiddleName
I.    ReportsToID

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.)

wpsB7DF.tmp_thumb

wpsCF17.tmp_thumb

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 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

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

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

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.    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.

Answer: A

QUESTION 38
You administer a Microsoft SQL Server 2012 database. The database contains a Product table created by using the following definition:

wpsA35.tmp_thumb[2]

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.

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:

wps3A98.tmp_thumb

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())

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.)

wps5FA6.tmp_thumb

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’)

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

QUESTION 41
You have a database that contains the tables as shown in the exhibit.

wps8D2C.tmp_thumb

You have the following query:

wpsA3B9.tmp_thumb[2]

You need to recreate the query to meet the following requirements:
– Reference columns by using one-part names only.
– Sort aggregates by SalesTerritoryID, and then by ProductID.
– Order the results in descending order from SalesTerritoryID to ProductID.
– The solution must use the existing SELECT clause and FROM clause.
Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
SELECT SalesTerritoryID,
ProductID,
AVG(UnitPrice),
MAX(OrderQty),
MAX(DiscountAmount)
FROM Sales.Details
GROUP BY SalesTerritoryID , ProductID
ORDER BY SalesTerritoryID DESC, ProductID DESC

QUESTION 42
You have a database that contains the tables shown in the exhibit. (Click the Exhibit button).

wpsD1DB.tmp_thumb

You need to create a query for a report. The query must meet the following requirements:
– NOT use object delimiters. Return the most recent orders first.
– Use the first initial of the table as an alias.
– Return the most recent order date for each customer.
– Retrieve the last name of the person who placed the order.
– Return the order date in a column named MostRecentOrderDate that appears as the last column in the report.
The solution must support the ANSI SQL-99 standard. Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
SELECT C.LastName, MAX(O.OrderDate) AS MostRecentOrderDate
FROM Customers AS C INNER JOIN Orders AS O
ON C.CustomerID = O.CustomerID
GROUP BY C.LastName
ORDER BY O.OrderDate DESC

QUESTION 43
You have an XML schema collection named Sales.InvoiceSchema. You need to declare a variable of the XML type named XML1. The solution must ensure that XML1 is validated by using Sales.InvoiceSchema.
Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
DECLARE @XML1 XML(Sales.InvoiceSchema)
Explanation:
http://msdn.microsoft.com/en-us/library/ms176009.aspx

QUESTION 44
You have a database that contains the tables as shown in the exhibit. (Click the Exhibit button.)

wpsF1DB.tmp_thumb

You need to create a query that returns a list of products from Sales.ProductCatalog. The solution must meet the following requirements:
– UnitPrice must be returned in descending order.
– The query must use two-part names to reference the table.
– The query must use the RANK function to calculate the results.
– The query must return the ranking of rows in a column named PriceRank.
– The list must display the columns in the order that they are defined in the table.
– PriceRank must appear last.
Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
SELECT ProductCatalog.CatID, ProductCatalog.CatName, ProductCatalog.ProductID, ProductCatalog.ProdName, ProductCatalog.UnitPrice,
RANK() OVER (PARTITION BY ProductCatalog.UnitPrice ORDER BY ProductCatalog.UnitPrice DESC) AS PriceRank
FROM Sales.ProductCatalog
ORDER BY ProductCatalog.UnitPrice DESC

QUESTION 45
You have a database that contains the tables shown in the exhibit. (Click the Exhibit button.)

wpsE9F.tmp_thumb

You have an application named Appl. You have a parameter named @Count that uses the int data type. App1 is configured to pass @Count to a stored procedure. You need to create a stored procedure named usp_Customers for Appl. Usp_Customers must meet the following requirements:
– NOT use object delimiters.
– Minimize sorting and counting.
– Return only the last name of each customer in alphabetical order.
– Return only the number of rows specified by the @Count parameter.
– The solution must NOT use BEGIN and END statements.
Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
CREATE PROCEDURE usp_Customers @Count int
AS
SELECT TOP(@Count) Customers.LastName
FROM Customers
ORDER BY Customers.LastName


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