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Vendor: Microsoft
Exam Code: 70-464
Exam Name: Developing Microsoft SQL Server 2014 Databases Exam
QUESTION 91
You need to recommend a solution that meets the concurrency problems.
What should you include in the recommendation?
A. Modify the stored procedures to use the SERIALIZABLE isolation level.
B. Modify the order in which usp_UpdateCandidate accesses the Applications table and the
Candidates table.
C. Modify the stored procedures to use the REPEATABLE READ isolation level.
D. Modify the order in which usp_AcceptCandidate accesses the Applications table and the
Candidates table.
Answer: B
QUESTION 92
You need to implement a change to usp_ExportOpenings that meets the integration requirements.
What should you modify in usp_ExportOpenings? (Each correct answer presents part of the solution. Choose all that apply?)
A. To the end of line 04, add [Opening].
B. To the end of line 05, add [Opening! title].
C. To line 10, add FOR XML RAW.
D. To line 10, add FOR XMLEXPLICIT.
E. To line 10, add FOR XML AUTO.
F. To the end of line 04, add [Opening!ELEMENT].
G. To the end of line 06, add [Opening!salary!ELEMENT].
H. To the end of line 05, add [Opening!title!ELEMENT].
I. To the end of line 06, add [Opening! salary].
Answer: ABEI
Explanation:
E: The AUTO mode generates nesting in the resulting XML by using heuristics based on the way the SELECT statement is specified.
You have minimal control over the shape of the XML generated.
The nested FOR XML queries can be written to generate XML hierarchy beyond the XML shape that is generated by AUTO mode heuristics.
QUESTION 93
You need to implement a solution that meets the locking requirements.
Which line of code should you modify?
A. Change line 07 in usp_UpdateOpening to:
UPDATE Openings WITH (UPDLOCK)
B. Change line 09 in usp_GetOpenings to:
FROM Openings o (ROWLOCK)
C. Change line 07 in usp_UpdateOpening to:
UPDATE Openings WITH (READPA5T)
D. Change line 09 in usp_GetOpenings to:
FROM Openings o (NOLOCK)
Answer: D
QUESTION 94
You need to implement a solution that addresses the upload requirements.
Which code segment should you use to implement the Conversions assembly?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 95
You need to implement a solution that meets the security requirements.
Which statement should you execute?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
QUESTION 96
You need to implement a solution that resolves the salary query issue.
Which statement should you execute on DB1?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Case Study 6: Coho Winery (Question 97 ~ Question 110)
Overview
You are a database developer for a company named Coho Winery.
Coho Winery has an office in London.
Coho Winery has an application that is used to process purchase orders from customers and retailers in 10 different countries.
The application uses a web front end to process orders from the Internet.
The web front end adds orders to a database named Sales.
The Sales database is managed by a server named Server1.
An empty copy of the Sales database is created on a server named Server2 in the London office. The database will store sales data for customers in Europe.
A new version of the application is being developed.
In the new version, orders will be placed either by using the existing web front end or by loading an XML file. Once a week, you receive two files that contain the purchase orders and the order details of orders from offshore facilities.
You run the usp_ImportOders stored procedure and the usp_ImportOrderDetails stored procedure to copy the offshore facility orders to the Sales database.
The Sales database contains a table named Orders that has more than 20 million rows.
Database
Definitions
Database and Tables
The following scripts are used to create the database and its tables:
Stored Procedures
The following are the definitions of the stored procedures used in the database:
Indexes
The following indexes are part of the Sales database:
Data Import
The XML files will contain the list of items in each order.
Each retailer will have its own XML schema and will be able to use different types of encoding. Each XML schema will use a default namespace.
The default namespaces are not guaranteed to be unique.
For testing purposes, you receive an XSD file from a customer.
For testing purposes, you also create an XML schema collection named ValidateOrder. ValidateOrder contains schemas for all of the retailers.
The new version of the application must validate the XML file, parse the data, and store the parsed data along with the original XML file in the database.
The original XML file must be stored without losing any data.
Reported Issues
Performance Issues
You notice the following for the usp_GetOrdersAndItems stored procedure:
The stored procedure takes a long time to complete.
Less than two percent of the rows in the Orders table are retrieved by usp_GetOrdersAndItems.
A full table scan runs when the stored procedure executes.
The amount of disk space used and the amount of time required to insert data are very high.
You notice that the usp_GetOrdersByProduct stored procedure uses a table scan when the stored procedure is executed.
Page Split Issues
Updates to the Orders table cause excessive page splits on the IX_Orders_ShipDate index.
Requirements
Site Requirements
Users located in North America must be able to view sales data for customers in North America and Europe in a single report.
The solution must minimize the amount of traffic over the WAN link between the offices.
Bulk Insert Requirements
The usp_ImportOrderDetails stored procedure takes more than 10 minutes to complete.
The stored procedure runs daily.
If the stored procedure fails, you must ensure that the stored procedure restarts from the last successful set of rows.
Index Monitoring Requirements
The usage of indexes in the Sales database must be monitored continuously.
Monitored data must be maintained if a server restarts.
The monitoring solution must minimize the usage of memory resources and processing resources.
QUESTION 97
You need to implement a solution that meets the site requirements.
What should you implement?
A. A non-indexed view on Server2
B. A distributed view on Server2
C. A distributed view on Server1
D. A non-indexed view on Server1
Answer: C
QUESTION 98
You need to ensure that usp_AddXMLOrder can be used to validate the XML input from the retailers.
Which parameters should you add to usp_AddXMLOrder on line 04 and line 05? (Each correct answer presents part of the solution. Choose all that apply.)
A. @schema varbinary(100).
B. @items varchar(max).
C. @schema sysname.
D. @items varbinary(max).
E. @items xml.
F. @schema xml.
Answer: CE
QUESTION 99
You need to implement a solution that addresses the performance issues of the usp_GetOrdersByProduct stored procedure.
Which statement should you execute?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
QUESTION 100
You plan to create a stored procedure that inserts data from an XML file to the OrderDetails table. The following is the signature of the stored procedure:
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The following is the XSD file used to create the ValidateOrder schema collection:
You develop a code segment that retrieves the number of items and loops through each item. Each time the loop runs, a variable named @itemNumber is incremented.
You need to develop a code segment that retrieves the product ID of each item number in the loop.
Which code segment should you develop?
A. SET @productID = @items.value(‘/Root/Product/productID’, int)
B. SET @productID = @items.value(‘/Root/Product[‘+ @itemNumber+ ‘]/@productID’, int)
C. SET @productID = @items.value(‘/Root/Product/@productID’, int)
D. SET @productID = @items.value(‘/Root/Product[‘+ @itemNumber+ ‘]/productID’, int)
Answer: D
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