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Microsoft Transition Your MCITP: Database Administrator 2008 or MCITP: Database Developer 2008 to MCSE: Data Platform Sample Questions:

1. HOTSPOT
You use SQL Server 2014. You create a table within a database by using the following DDL:

The following table illustrates a representative sample of data:

The system is expected to handle 50 million orders a month over the next five years.
You have been instructed by your Team Lead to follow best practices for storage and performance in the utilization of SPARSE columns.
Which columns should you designate as SPARSE? To answer, mark each column as SPARSE or NOT SPARSE in the answer area.

2. You have a query that is used by a reporting dashboard.
Users report that the query sometimes takes a long time to run.
You need to recommend a solution to identify what is causing the issue.
What should you recommend?
More than one answer choice may achieve the goal. Select the BEST answer.

A) Set the blocked process threshold, and then create an alert.
B) Set the blocked process threshold, and then run SQL Server Profiler.
C) Create a job that queries the sys.dm_os_waiting_tasks dynamic management view.
D) Enable trace flag 1204, and then create an alert.

3. You need to add a new column named Confirmed to the Employees table. The solution must meet the following requirements:
- Have a default value of TRUE.- Minimize the amount of disk space used.
Which code segment should you use?

A) ALTER TABLE Employees
ADD Confirmed char(1) DEFAULT '0';
B) ALTER TABLE Employees
ADD Confirmed char(1) DEFAULT "1";
C) ALTER TABLE Employees
ADD Confirmed bit DEFAULT 0;
D) ALTER TABLE Employees
ADD Confirmed bit DEFAULT 1;

4. You need to implement changes to the system to reduce contention and improve performance of the SalesOrderDetail table.
Which three actions should you perform? Each correct answer presents part of the solution. Choose three.

A) ALTER DATABASE [ProdDB] SET READ_COMMITTED_SNAPSHOT OFF
B) Use (SNAPSHOT] hints in the report queries
C) SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
D) ALTER DATABASE [ProdDB] SET READ_COMMITTED_SNAPSHOT ON
E) ALTER DATABASE [ProdDB] SET ALLOW.SNAPSHOT ISOLATION ON
F) Use (SNAPSHOT] hints in the update statements
G) Use (TABLOCK) hints in the report queries
H) SET TRANSACTION ISOLATION LEVEL SNAPSHOT

5. You have an index for a table in a SQL Azure database. The database is used for Online Transaction Processing (OLTP).
You discover that many page splits occur when records are inserted or updated in the table.
You need to minimize the number of page splits.
What should you set from the index options?

A) FILLFACTOR = 0
B) STATISTICS_NORECOMPUTE = OFF
C) STATISTICS_NORECOMPUTE = ON
D) FILLFACTOR = 80

Solutions: