70-469 Exam - Recertification for MCSE: Data Platform

certleader.com

Q1. 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:

Q2. You need to recommend a solution to minimize the amount of time it takes to execute USP_1. 

With what should you recommend replacing Table1? 

A. A view 

B. A temporary table 

C. A table variable 

D. A function 

Answer:

Q3. You use SQL Server 2012 to store data used by an e-commerce application. 

You develop a stored procedure named sp1. Sp1 is used to read the price of all the products sold on the e-commerce site. 

You need to ensure that sp1 can read data even while another transaction is modifying the price of a product. Sp1 must only read committed data. 

Which transaction isolation level should you use in sp1? 

A. Serializable 

B. Snapshot 

C. Repeatable read 

D. Read committed 

Answer:

Q4. You need to recommend changes to the ERP application to resolve the search issue. The solution must minimize the impact on other queries generated from the ERP application. 

What should you recommend changing? 

A. The collation of the Products table 

B. The index on the ProductName column 

C. The collation of the ProductName column 

D. The data type of the ProductName column 

Answer:

Q5. You need to provide referential integrity between the Offices table and Employees table. 

Which code segment or segments should you add at line 27 of Tables.sql? (Each correct answer presents part of the solution. Choose all that apply.) 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: CD 

Q6. 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:

Q7. 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:

Q8. You need to create a function that will use a SELECT statement in ProductsByProductType.sql. 

Which code segment should you use to complete the function? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Q9. You execute the following code: 

The execution plan for the query is shown in the exhibit. (Click the Exhibit button.) 

You need to prevent the key lookup. 

What should you modify? 

More than one answer choice may achieve the goal. Select the BEST answer. 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Q10. You have a SQL Server 2012 database that contains a table named Users. The Users table contains usernames and passwords. 

You need to ensure that all new records have a password. 

Which code segment should you use? 

More than one answer choice may achieve the goal. Select the BEST answer. 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: