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Q91. Topic 7)
You need to redesign the system to meet the scalability requirements of the application.
Develop the solution by selecting and arranging the required code blocks in the correct
order.
You may not need all of the code blocks.
Answer:
76. You need to modify the stored procedure usp_LookupConcurrentUsers.
What should you do?
A. Add a clustered index to the summary table.
B. Add a nonclustered index to the summary table.
C. Add a clustered columnstore index to the summary table.
D. Use a table variable instead of the summary table.
Answer: A
Explanation: Scenario: Query the current open micropayments for users who own multiple micropayments by using a stored procedure named usp.LookupConcurrentUsers
Topic 8, Mix Questions
Q92. You plan to create a new column in a table. The column must meet the following requirements:
. Be able to store images that are larger than 1 MB each.
. Be able to access the images from Microsoft .NET Framework applications.
You need to recommend which data type must be used in the column.
Which data type should you recommend?
More than one answer choice may achieve the goal. Select the BEST answer.
A. nvarchar
B. varbinary
C. image
D. FileStream
Answer: D
Q93. Topic 8)
You have a database named database1. Each table in database1 has one index per column.
Users often report that creating items takes a long time.
You need to perform the following maintenance tasks:
. Identify unused indexes.
. Identify indexes that need to be defragmented. What should you use?
To answer, drag the appropriate function to the correct management task in the answer area. (Answer choices may be used once, more than once, or not at all.)
Answer:
Q94. Topic 8)
You administer a SQL Server 2014 instance.
The server is capable of 10000 IO/second (IOPS). During the time period when the second process executes, the disk IO can reach 7000 IOPS, and CPU use can average 30% over the eight processors.
The first process summarizes the day's activity executed by a login of [SummaryReportLogin]. The second process submits transactions executed by a login of [ETLLogin].
A Resource Governor classifier function has been created to return WG_Low for connections from the [ETLLogin] and [SummaryReportLogin].
You need to set up the Resource Group and Workgroup Pools on the instance.
You have the following requirements:
. Both processes must never use more than 50 percent of the CPU at any one time. . The number of active queries that these processes can execute simultaneously should be limited to a maximum of 10. . The SummaryReportLogin process must always achieve the minimum IOPS required to be minimally affected during executing the ETLLogin processes.
Develop the solution by selecting and arranging the required code blocks in the correct order.
You may not need all of the code blocks.
Answer:
149. You are creating a table named Orders.
You need to ensure that every time a new row is added to the Orders table, a table that is
used for auditing is updated.
What should you use?
More than one answer choice may achieve the goal. Select the BEST answer.
A. A Data Definition Language (DDL) trigger
B. A DEFAULT constraint
C. A CHECK constraint
D. A FOREIGN KEY constraint
E. A data manipulation language (DML) trigger
Answer: E
Explanation:
http://www.techrepublic.com/blog/programming-and-development/comparing-sql-serverconstraints-and-dmltriggers/402 http://msdn.microsoft.com/en-us/library/ms178110.aspx
Q95. 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: A,B,E,I
Explanation:
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.
Q96. You need to resolve the performance issues of the usp_ExportOpenings stored procedure. The solution must minimize the amount of hard disk space used.
Which statement should you execute on DB1?
A. EXEC sp_dboption 'DB1', 'auto create statistics', 'TRUE'
B. CREATE INDEX IX_Exp_Openings ON Openings(PostDate, FilledDate) INCLUDE
(Description, Title, Salary);
C. CREATE INDEX IX_Exp_Openings ON Openings(PostDate) INCLUDE (Description,
Title,
Salary) WHERE FilledDate IS NULL;
D. EXEC sp_recompile 'usp_ExportOpenings'
Answer: C
Q97. You need to optimize the index structure that is used by the tables that support the fraud detection services.
What should you do?
A. Add a hashed nonclustered index to CreateDate.
B. Add a not hash nonclustered index to CreateDate.
C. Add a not hash clustered index on POSTransactionId and CreateDate.
D. Add a hashed clustered index on POSTransactionId and CreateDate.
Answer: A
Explanation: The fraud detection service will need to meet the following requirement (among others):
* Detect micropayments that are flagged with a StatusId value that is greater than 3 and that occurred within the last minute.
Q98. You need to recommend a solution to ensure that SQL1 supports the auditing requirements of usp_UpdateEmployeeName.
What should you include in the recommendation?
A. Change data capture
B. Change tracking
C. Transactional replication
D. The Distributed Transaction Coordinator (DTC)
Answer: D
Q99. You plan to create a new table that has the following requirements:
...
Uses a GUID data type as the primary key. Uses a clustered index as the primary key. Minimizes fragmentation.
You need to recommend which option to include in the CREATE statement.
Which option should you include?
More than one answer choice may achieve the goal. Select the BEST answer.
A. NEWID
B. @@IDENTITY
C. NEWSEQUENTIALID
D. IDENTITY
Answer: C
Q100. Topic 8)
You plan to deploy SQL Server 2012. You must create two tables named Table1 and Table2 that will have the following specifications:
. Table1 will contain a date column named Column1 that will contain a null value approximately 80 percent of the time. . Table2 will contain a column named Column2 that is the product of two other columns in Table2. . Both Table1 and Table2 will contain more than 1 million rows.
You need to recommend which options must be defined for the columns. The solution must minimize the storage requirements for the tables. Which options should you recommend? To answer, drag the appropriate options to the correct column in the answer area.
Answer:
