Microsoft 70-469 ExamRecertification for MCSE: Data Platform

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Latest Microsoft 70-469 Examcollection (Topic 1)

12. You execute usp_TestSpeakers. 

You discover that usp_SelectSpeakersByName uses inefficient execution plans. 

You need to update usp_SelectSpeakersByName to ensure that the most efficient execution plan is used. 

What should you add at line 30 of Procedures.sql? 

A. OPTION (FORCESCAN) 

B. OPTION (FORCESEEK) 

C. OPTION (OPTIMIZE FOR UNKNOWN) 

D. OPTION (OPTIMIZE FOR (@LastName= 'Anderson')) 

Answer:

 

13. You need to recommend a solution to ensure that SQL1 supports the auditing requirements of usp_UpdateSpeakerName. 

What should you include in the recommendation? 

A. The Distributed Transaction Coordinator (DTC) 

B. Transactional replication 

C. Change data capture 

D. Change tracking 

Answer:

 

14. You are evaluating the table design. 

You need to recommend a change to Tables.sql that reduces the amount of time it takes for usp_AttendeesReport to execute. 

What should you add at line 14 of Tables.sql? 

A. FullName nvarchar(100) NOT NULL CONSTRAINT DF_FuIlName DEFAULT (dbo.CreateFullName (FirstName, LastName)), 

B. FullName AS (FirstName +‘ ’+ LastName), 

C. FullName nvarchar(100) NOT NULL DEFAULT (dbo.CreateFullName (FirstName, LastName)). 

D. FullName AS (FirstName +‘ ’+ LastName) PERSISTED, 

Answer:

 

15. You need to modify usp_SelectSpeakersByName to support server-side paging. The solution must minimize the amount of development effort required. 

What should you add to usp_SelectSpeakersByName? 

A. A table variable 

B. An OFFSET-FETCH clause 

C. The ROWNUMBER keyword 

D. A recursive common table expression 

Answer:

 

16. You need to add a new column named Confirmed to the Attendees table. 

The solution must meet the following requirements: 

. Have a default value of false. 

. Minimize the amount of disk space used. 

Which code block should you use? 

A. ALTER TABLE Attendees 

ADD Confirmed bit DEFAULT 0; 

B. ALTER TABLE Attendees 

ADD Confirmed char(l) DEFAULT '1' 

C. ALTER TABLE Attendees 

ADD Confirmed bit DEFAULT 1; 

D. ALTER TABLE Attendees 

ADD Confirmed char(l) DEFAULT ‘1’; 

Answer:

 

17. You need to create the object used by the parameter of usp_InsertSessions. 

Which statement should you use? 

A. CREATE XML SCHEMA COLLECTION SessionDataTable 

B. CREATE TYPE SessionDataTable AS Table 

C. CREATE SCHEMA SessionDataTable 

D. CREATE TABLE SessionDataTable 

Answer:

 

18. Developers report that usp_UpdateSessionRoom periodically returns error 3960. 

You need to prevent the error from occurring. The solution must ensure that the stored procedure returns the original values to all of the updated rows. 

What should you configure in Procedures.sql? 

A. Replace line 46 with the following code: 

SET TRANSACTION ISOLATION LEVEL SERIALIZABLE 

B. Replace line 46 with the following code: 

SET TRANSACTION ISOLATION LEVEL REPEATABLE READ 

C. Move the SELECT statement at line 49 to line 57. 

D. Move the SET statement at line 46 to line 53. 

Answer:

 

19. You discover that usp.SelectSpeakersByName executes slowly if usp_UpdateSpeakerName executes simultaneously. 

You need to minimize the execution time of usp.SelectSpeakersByName. The solution must not affect the performance of the other stored procedures. 

What should you update? 

A. Usp_UpdateSpeakerName to use the NOLOCK query hint 

B. Usp_UpdateSpeakerName to use snapshot isolation 

C. Usp_SelectSpeakersByName to use the NOLOCK query hint 

D. Usp_SelectSpeakersByName to use snapshot isolation 

Answer:

 

20. While testing usp.GetFutureSessions, you discover that IX_Sessions is accessed by a scan rather than a seek. 

You need to minimize the amount of time it takes to execute usp_GetFutureSessions. 

What should you do? (Each correct answer presents part of the solution. Choose all that apply.) 

1430878768780969.jpg

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: BE 

 

21. You need to ensure that if any of the statements in usp_UpdateSpeakerName return an error message, all of the changes executed by usp_UpdateSpeakerName are not committed to the database. 

What should you do in Procedures.sql? (Each correct answer presents part of the solution. Choose all that apply.) 

1430878778651118.jpg

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

Answer: BD 

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