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Code d'Examen: 070-469
Nom d'Examen: Microsoft (Recertification for MCSE: Data Platform)
Questions et réponses: 281 Q&As
Code d'Examen: 070-491
Nom d'Examen: Microsoft (Recertification for MCSD: Windows Store Apps using C#)
Questions et réponses: 91 Q&As
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NO.1 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
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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.
NO.2 You need to recommend a solution that addresses the concurrency requirement.
What should you recommend?
A. Break each stored procedure into two separate procedures, one that changes Sales.Table1 and
one that changes Sales.Table2.
B. Make calls to Sales.Proc1 and Sales.Proc2 synchronously.
C. Call the stored procedures in a Distributed Transaction Coordinator (DTC) transaction.
D. Modify the stored procedures to update tables in the same order for all of the stored procedures.
Answer: D
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Explanation:
* Concurrency Requirements You must reduce the likelihood of deadlocks occurring when
Sales.Proc1 and Sales.Proc2 execute.
NO.3 You have a Microsoft SQL Azure database that contains a table named Customers.
You have a table-valued function named TopCustomers that returns a list of all the customers that
have purchased items during the last 12 months. The ID of the customer is passed as an argument to
the TopCustomers function.
You need to create a query that returns a list of all the Customer names and the purchase dates.
The solution must return only customers that have purchased an item during the last 12 months.
What should you add to the query?
A. OUTER JOIN
B. CROSS JOIN
C. CROSS APPLY
D. OUTER APPLY
Answer: C
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NO.4 You have a SQL Server 2012 database named Database1.
Database1 has a table named Customers. Customers contains more than 1 million rows.
The database has a stored procedure that was created by using the following script:
You need to ensure that up_customers returns rows when the following statement is executed:
EXECUTE up_customers'1,2,3,4,5';
What should you do?
A. Update @CustcmerTypelist to use the int data type.
B. Convert @CustomerTypeList to a table variable.
C. Convert @CustomerTypeList to an XML variable.
D. Update @CustomerTypeList to use the XML data type.
Answer: B
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NO.5 You have a database named Database1. Database1 has two stored procedures named Proc1
and Proc2 and a table named Table1. Table1 has millions of rows.
Proc1 updates data in Table1. Proc2 reads data from Table1.
You discover that when Proc1 is executed to update more than 4,000 rows, Proc2 is blocked. The
block affects all rows, including those that are not being updated by Proc1.
You need to ensure that when Proc1 is executing, Proc2 can access the data in Table1 that Proc1 is
not updating.
What should you change Proc1 to do?
More than one answer choice may achieve the goal. Select the BEST answer.
A. Update less than 4,000 rows simultaneously.
B. Use the PAGLOCK table hint.
C. Wait for Proc2 to complete.
D. Use the ROWLOCK table hint.
Answer: A
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NO.6 You need to recommend a solution to synchronize Database2 to App1_Db1.
What should you recommend?
A. Change data capture
B. Snapshot replication
C. Master Data Services
D. Transactional replication
Answer: D
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Explanation:
Scenario:
*Data from Database2 will be accessed periodically by an external application named Application1.
The data from Database2 will be sent to a database named App1_Db1 as soon as changes occur to
the data in Database2.
*All data in Database2 is recreated each day and does not change until the next data creation
process. Transactional Replication
NO.7 DRAG DROP
Your network contains a server named Server1 that runs SQL Server 2012. Server1 contains an
instance named Instance1. Instance1 contains a database named ContentDatabase.
ContentDatabase uses transaction log backups.
The recovery model of ContentDatabase is set to FULL.
You need to shrink the ContentDatabase_Log log file to 10 MB. The solution must ensure that you
can continue to back up the transaction log.
Which three code segments should you execute?
To answer, move the appropriate code segments from the list of code segments to the answer area
and arrange them in the correct order.
Answer:
NO.8 You deploy a database by using SQL Server 2014. The database contains a table named Table1.
You need to recommend a solution to track all of the deletions executed on Table1.
The solution must minimize the amount of custom code required.
What should you recommend?
A. Change data capture
B. Statistics
C. A trigger
D. Master Data Services
Answer: A
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Explanation:
Change data capture is designed to capture insert, update, and delete activity applied to SQL Server
tables, and to make the details of the changes available in an easily consumed relational format. The
change tables used by change data capture contain columns that mirror the column structure of a
tracked source table, along with the metadata needed to understand the changes that have
occurred. About Change Data Capture (SQL Server)
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